diff --git a/build/compile_script/ark.py b/build/compile_script/ark.py
index c3fba73276e37a7aafa0ef242488f934205e5ecd..0ecc55a3d836670d95f22eaba4c275f2b685768f 100755
--- a/build/compile_script/ark.py
+++ b/build/compile_script/ark.py
@@ -174,6 +174,14 @@ class ArkPy:
                 "gn_args": ["target_os=\"mac\"", "target_cpu=\"x86\""],
                 "prefix_of_name_of_out_dir_of_second_level": "mac_x86",
             },
+            "ohos_loongarch64": {
+                "flags": ["ohos_loongarch64", "loongarch64"],
+                "description":
+                    "Build for arkcompiler target of target-operating-system ohos and "
+                    "target-central-processing-unit loongarch64.",
+                "gn_args": ["target_os=\"ohos\"", "target_cpu=\"loongarch64\""],
+                "prefix_of_name_of_out_dir_of_second_level": "loongarch64",
+            },
         },
         "mode": {
             "release": {
@@ -201,6 +209,7 @@ class ArkPy:
                 "description": "Compile arkcompiler target and run test262 with arkcompiler target.",
                 "gn_targets_depend_on": ["default"],
                 "arm64_gn_targets_depend_on": ["ark_js_packages"],
+                "loongarch64_gn_targets_depend_on": ["ark_js_packages"],
             },
             "unittest": {
                 "flags": ["unittest", "ut"],
@@ -317,23 +326,23 @@ class ArkPy:
         return False
 
     @staticmethod
-    def libs_dir(is_arm, is_aot, is_pgo, out_dir, x64_out_dir) -> str:
-        if is_arm and is_aot and is_pgo:
+    def libs_dir(is_arm, is_loongarch64, is_aot, is_pgo, out_dir, x64_out_dir) -> str:
+        if (is_arm or is_loongarch64) and is_aot and is_pgo:
             return (f"--libs-dir ../../{out_dir}/arkcompiler/ets_runtime:"
                     f"../../{out_dir}/thirdparty/icu:"
                     f"../../{out_dir}/third_party/icu:"
-                    f"../../thirdparty/zlib:"
+                    f"../../{out_dir}/thirdparty/zlib:"
                     f"../../prebuilts/clang/ohos/linux-x86_64/llvm/lib")
-        if is_arm and is_aot and not is_pgo:
+        if (is_arm or is_loongarch64) and is_aot and not is_pgo:
             return ("--libs-dir ../../prebuilts/clang/ohos/linux-x86_64/llvm/lib"
                     f":../../{x64_out_dir}/thirdparty/icu/")
-        if not is_arm and is_aot:
+        if not (is_arm or is_loongarch64) and is_aot:
             return (f"--libs-dir ../../{out_dir}/arkcompiler/ets_runtime"
                     f":../../{out_dir}/thirdparty/icu:"
                     f"../../{out_dir}/third_party/icu:"
-                    f"../../thirdparty/zlib:"
+                    f"../../{out_dir}/thirdparty/zlib:"
                     f"../../prebuilts/clang/ohos/linux-x86_64/llvm/lib")
-        # not is_arm and not is_aot
+        # not is_arm and not is_loongarch64 and not is_aot
         return " --libs-dir ../../prebuilts/clang/ohos/linux-x86_64/llvm/lib"
 
     @staticmethod
@@ -347,8 +356,10 @@ class ArkPy:
             "--ark-frontend=es2panda"
         ]
         is_arm = any('target_cpu="arm64"' in arg for arg in gn_args)
-        if is_arm:
-            cmd.append("--ark-arch aarch64")
+        is_loongarch64 = any('target_cpu="loongarch64"' in arg for arg in gn_args)
+        if is_arm or is_loongarch64:
+            ark_arch = "aarch64" if is_arm else "loongarch64"
+            cmd.append(f"--ark-arch {ark_arch}")
             cmd.append(f"--ark-arch-root=../../{out_path}/common/common/libc/")
             cmd.append(f"--ark-frontend-binary=../../{x64_out_path}/arkcompiler/ets_frontend/es2abc")
             cmd.append(f"--merge-abc-binary=../../{x64_out_path}/arkcompiler/ets_frontend/merge_abc")
@@ -366,6 +377,7 @@ class ArkPy:
 
         cmd.append(ArkPy.libs_dir(
             is_arm=is_arm,
+            is_loongarch64=is_loongarch64,
             is_aot=aot_mode,
             is_pgo=run_pgo,
             out_dir=out_path,
@@ -396,13 +408,16 @@ class ArkPy:
     def get_test262_aot_cmd(gn_args, out_path, x64_out_path, run_pgo, enable_litecg, args_to_test262_cmd,
                             timeout):
         print("running test262 in AotMode\n")
-        if any('target_cpu="arm64"' in arg for arg in gn_args):
+        is_arm = any('target_cpu="arm64"' in arg for arg in gn_args)
+        is_loongarch64 = any('target_cpu="loongarch64"' in arg for arg in gn_args)
+        if is_arm or is_loongarch64:
+            ark_arch = "aarch64" if is_arm else "loongarch64"
             if run_pgo:
                 test262_cmd = f"cd arkcompiler/ets_frontend && python3 test262/run_test262.py {args_to_test262_cmd}" \
                               f" --timeout {timeout}" \
                               f" --libs-dir ../../{out_path}/arkcompiler/ets_runtime:../../{out_path}/thirdparty/icu:" \
                               f"../../{out_path}/thirdparty/zlib:../../prebuilts/clang/ohos/linux-x86_64/llvm/lib" \
-                              " --ark-arch aarch64" \
+                              f" --ark-arch {ark_arch}" \
                               f" --ark-arch-root=../../{out_path}/common/common/libc/" \
                               f" --ark-tool=../../{out_path}/arkcompiler/ets_runtime/ark_js_vm" \
                               f" --ark-aot-tool=../../{out_path}/arkcompiler/ets_runtime/ark_aot_compiler" \
@@ -414,7 +429,8 @@ class ArkPy:
             else:
                 test262_cmd = "cd arkcompiler/ets_frontend && python3 test262/run_test262.py {0} --timeout {3}" \
                               " --libs-dir ../../prebuilts/clang/ohos/linux-x86_64/llvm/lib:../../{2}/thirdparty/icu/" \
-                              " --ark-arch aarch64" \
+                              ":../../{2}/thirdparty/zlib" \
+                              f" --ark-arch {ark_arch}" \
                               " --ark-arch-root=../../{1}/common/common/libc/" \
                               " --ark-aot" \
                               " --ark-aot-tool=../../{2}/arkcompiler/ets_runtime/ark_aot_compiler" \
@@ -443,12 +459,15 @@ class ArkPy:
     def get_jit_cmd(test_suite, test_script_name, test_script_path, gn_args, out_path, x64_out_path, args_to_cmd,
                     timeout):
         print(f"running {test_suite} in JIT mode\n")
-        if any('target_cpu="arm64"' in arg for arg in gn_args):
+        is_arm = any('target_cpu="arm64"' in arg for arg in gn_args)
+        is_loongarch64 = any('target_cpu="loongarch64"' in arg for arg in gn_args)
+        if is_arm or is_loongarch64:
+            ark_arch = "aarch64" if is_arm else "loongarch64"
             cmd = f"cd {test_script_path} && python3 {test_script_name} {args_to_cmd} --timeout {timeout}" \
                   f" --libs-dir ../../prebuilts/clang/ohos/linux-x86_64/llvm/lib:../../{out_path}/thirdparty/icu/" \
                   f":../../{out_path}/thirdparty/bounds_checking_function" \
                   f":../../{out_path}/arkcompiler/ets_runtime:" \
-                  " --ark-arch aarch64" \
+                  f" --ark-arch {ark_arch}" \
                   " --run-jit" \
                   f" --ark-arch-root=../../{out_path}/common/common/libc/" \
                   f" --ark-aot-tool=../../{x64_out_path}/arkcompiler/ets_runtime/ark_aot_compiler" \
@@ -471,15 +490,18 @@ class ArkPy:
     def get_baseline_jit_cmd(test_suite, test_script_name, test_script_path, gn_args, out_path, x64_out_path,
                              args_to_test262_cmd, timeout):
         print(f"running {test_suite} in baseline JIT mode\n")
-        if any('target_cpu="arm64"' in arg for arg in gn_args):
+        is_arm = any('target_cpu="arm64"' in arg for arg in gn_args)
+        is_loongarch64 = any('target_cpu="loongarch64"' in arg for arg in gn_args)
+        if is_arm or is_loongarch64:
+            ark_arch = "aarch64" if is_arm else "loongarch64"
             cmd = f"cd {test_script_path} && python3 {test_script_name} {args_to_test262_cmd} --timeout {timeout}" \
                   f" --libs-dir ../../prebuilts/clang/ohos/linux-x86_64/llvm/lib" \
                   f":../../{out_path}/thirdparty/icu" \
-                  f":../../prebuilts/clang/ohos/linux-x86_64/llvm/lib/aarch64-linux-ohos" \
+                  f":../../prebuilts/clang/ohos/linux-x86_64/llvm/lib/{ark_arch}-linux-ohos" \
                   f":../../{out_path}/thirdparty/bounds_checking_function" \
                   f":../../{out_path}/arkcompiler/ets_runtime" \
                   f":../../{out_path}/common/common/libc/lib" \
-                  " --ark-arch aarch64" \
+                  f" --ark-arch {ark_arch}" \
                   " --run-baseline-jit" \
                   f" --ark-arch-root=../../{out_path}/common/common/libc/" \
                   f" --ark-aot-tool=../../{x64_out_path}/arkcompiler/ets_runtime/ark_aot_compiler" \
@@ -862,6 +884,21 @@ class ArkPy:
                 gn_args,
                 self.ARG_DICT.get("target").get(test_suite).get("arm64_gn_targets_depend_on"),
                 log_file_name)
+        elif any('target_cpu="loongarch64"' in arg for arg in gn_args):
+            gn_args.append("so_dir_for_qemu=\"../../{0}/common/common/libc/\"".format(out_path))
+            gn_args.append("run_with_qemu=true".format(out_path))
+            if not os.path.exists(x64_out_path):
+                os.makedirs(x64_out_path)
+            self.build_for_gn_target(
+                x64_out_path,
+                ['target_os="linux"', 'target_cpu="x64"', 'is_debug=false'],
+                self.ARG_DICT.get("target").get(test_suite).get("gn_targets_depend_on"),
+                log_file_name)
+            self.build_for_gn_target(
+                out_path,
+                gn_args,
+                self.ARG_DICT.get("target").get(test_suite).get("loongarch64_gn_targets_depend_on"),
+                log_file_name)
         else:
             self.build_for_gn_target(
                 out_path,
diff --git a/build/config/ohos/config.gni b/build/config/ohos/config.gni
index 1da4bc2f34ba46f5169bac7ff7c17a0cac024247..8e1f7bcdac73614a075a339f5ce9ee5394554c4b 100644
--- a/build/config/ohos/config.gni
+++ b/build/config/ohos/config.gni
@@ -25,6 +25,8 @@ if (is_ohos) {
     abi_target = "x86_64-linux-ohos"
   } else if (current_cpu == "mipsel") {
     abi_target = "mipsel-linux-ohos"
+  } else if (current_cpu == "loongarch64") {
+    abi_target = "loongarch64-linux-ohos"
   } else {
     assert(false, "Arch not supported")
   }
diff --git a/build/core/gn/BUILD.gn b/build/core/gn/BUILD.gn
index 0d33dffaf7a8ea872dc85aaab88bdaa786594070..bd78df860e1db046ada838572c6fdd60030cd51f 100644
--- a/build/core/gn/BUILD.gn
+++ b/build/core/gn/BUILD.gn
@@ -59,6 +59,7 @@ group("ets_runtime") {
   ]
   if ((target_os == "linux" && target_cpu == "x64") ||
       (target_cpu == "arm64" && target_os == "ohos") ||
+      (target_cpu == "loongarch64" && target_os == "ohos") ||
       (target_cpu == "arm64" && target_os == "mac")) {
     deps += [
       "$js_root/ecmascript/compiler:ark_aot_compiler",
diff --git a/build/third_party_gn/musl/musl_config.gni b/build/third_party_gn/musl/musl_config.gni
index 52814f23281d1df92cb18d28f97a26720d4e9ab8..decd5ecb1f79857068ae3e61f1f9beda2a5dd9bd 100644
--- a/build/third_party_gn/musl/musl_config.gni
+++ b/build/third_party_gn/musl/musl_config.gni
@@ -20,6 +20,8 @@ declare_args() {
     musl_arch = "aarch64"
   } else if (current_cpu == "mipsel") {
     musl_arch = "mips"
+  } else if (current_cpu == "loongarch64") {
+    musl_arch = "loongarch64"
   }
 }
 
diff --git a/build/third_party_gn/musl/musl_template.gni b/build/third_party_gn/musl/musl_template.gni
index c62f882fa666d5916e7a52046c09ac0d5266cd17..e22d5fa6c21ca6b94b328c9c4a17a851ff6946b1 100644
--- a/build/third_party_gn/musl/musl_template.gni
+++ b/build/third_party_gn/musl/musl_template.gni
@@ -348,6 +348,15 @@ template("musl_libs") {
       "src/string/strncpy.c",
     ]
 
+    if (musl_arch == "loongarch64") {
+      sources_orig += [
+        "src/string/memset.c",
+        "src/stdlib/qsort.c",
+        "src/stdlib/qsort_nr.c",
+        "src/string/strncpy.c",
+      ]
+    }
+
     freebsd_files = [
       "//third_party/FreeBSD/contrib/gdtoa/strtod.c",
       "//third_party/FreeBSD/contrib/gdtoa/gethex.c",
@@ -613,6 +622,8 @@ template("musl_libs") {
           "-D__strncmp_aarch64 = strncmp",
         ]
       }
+    } else if (musl_arch == "loongarch64") {
+      not_needed(freebsd_files)
     }
 
     cflags = [
diff --git a/build/third_party_gn/openssl/BUILD.gn b/build/third_party_gn/openssl/BUILD.gn
index cae0e8ea69d4ef5c96eb868b3671c7ee6ae3b524..a882c31bcafefa7fdcfba649edf8b5f3701bac10 100644
--- a/build/third_party_gn/openssl/BUILD.gn
+++ b/build/third_party_gn/openssl/BUILD.gn
@@ -50,6 +50,9 @@ if (current_cpu == "arm" && !(current_os == "linux" || host_os == "mac")) {
 } else if (current_cpu == "arm64" && current_os == "android") {
   print("openssl selected linux-aarch64")
   openssl_selected_platform = "linux-aarch64"
+} else if (current_cpu == "loongarch64" && current_os == "ohos") {
+  print("openssl selected linux64-loongarch64")
+  openssl_selected_platform = "linux64-loongarch64"
 }
 print(
     "openssl detecting os done. openssl_selected_platform = ${openssl_selected_platform}")
@@ -326,6 +329,13 @@ openssl_internal_cflags = [
   "-Wno-unused-but-set-variable",
 ]
 
+if (current_cpu == "loongarch64") {
+  openssl_internal_cflags -= [
+    "-Wno-error=constant-conversion",
+    "-Wno-error=macro-redefined",
+  ]
+}
+
 # 升级修改适配检查点9 内部公共头文件目录列表
 crypto_config_common_private_include_dirs = [
   "//third_party/openssl/",
@@ -529,6 +539,19 @@ crypto_config_mingw64_cflags = [
   "-DX25519_ASM",
 ]
 
+crypto_config_linux_loongarch64_cflags = [
+  "-DOPENSSL_USE_NODELETE",
+  "-fPIC",
+  "-pthread",
+  "-Wall",
+  "-O3",
+  "-DNDEBUG",
+  "-MMD",
+  "-MF",
+  "-DOPENSSL_BUILDING_OPENSSL",
+  "-DOPENSSL_PIC",
+]
+
 crypto_config_current_platform_cflags = []
 if (openssl_selected_platform == "linux-armv4") {
   crypto_config_current_platform_cflags += crypto_config_linux_armv4_cflags
@@ -544,6 +567,9 @@ if (openssl_selected_platform == "linux-armv4") {
   crypto_config_current_platform_cflags += crypto_config_linux_x86_64_cflags
 } else if (openssl_selected_platform == "mingw64") {
   crypto_config_current_platform_cflags += crypto_config_mingw64_cflags
+} else if (openssl_selected_platform == "linux64-loongarch64") {
+  crypto_config_current_platform_cflags +=
+      crypto_config_linux_loongarch64_cflags
 }
 
 mingw32_libs_path = []
@@ -1554,6 +1580,35 @@ ohos_source_set("crypto_source") {
       "//third_party/openssl/crypto/bn/rsaz_exp.c",
       "//third_party/openssl/crypto/bn/rsaz_exp_x2.c",
     ]
+  } else if (openssl_selected_platform == "linux64-loongarch64") {
+    sources += [
+      "//third_party/openssl/crypto/aes/aes_cbc.c",
+      "//third_party/openssl/crypto/aes/aes_core.c",
+      "//third_party/openssl/crypto/bn/bn_asm.c",
+      "//third_party/openssl/crypto/camellia/camellia.c",
+      "//third_party/openssl/crypto/camellia/cmll_cbc.c",
+      "//third_party/openssl/crypto/loongarchcap.c",
+      "//third_party/openssl/crypto/rc4/rc4_enc.c",
+      "//third_party/openssl/crypto/rc4/rc4_skey.c",
+      "//third_party/openssl/crypto/whrlpool/wp_block.c",
+
+      # v_check bind_engine multi defined
+      "//third_party/openssl/engines/e_afalg.c",
+
+      # ChaCha20_ctr32
+      # ./crypto/sha/keccak1600.c:1096 SHA3_squeeze func
+      "//third_party/openssl/crypto/chacha/chacha_enc.c",
+      "//third_party/openssl/crypto/loongarch64cpuid.S",
+      "//third_party/openssl/crypto/sha/keccak1600.c",
+    ]
+
+    sources -= [
+      # ecp_nistz256_xxx func
+      "//third_party/openssl/crypto/ec/ecp_nistz256.c",
+
+      # v_check bind_engine multi defined
+      "//third_party/openssl/engines/e_capi.c",
+    ]
   }
 
   configs = [ ":crypto_config_private" ]
@@ -1641,6 +1696,7 @@ unused_variables += crypto_config_darwin64_x86_64_cc_cflags
 unused_variables += crypto_config_darwin64_arm64_cc_cflags
 unused_variables += crypto_config_linux_x86_64_cflags
 unused_variables += crypto_config_mingw64_cflags
+unused_variables += crypto_config_linux_loongarch64_cflags
 unused_variables += libcommon_common_sources
 unused_variables += libdefault_common_sources
 unused_variables += libcrypto_build_all_generated_linux_armv4_sources
diff --git a/build/toolchain/ark/BUILD.gn b/build/toolchain/ark/BUILD.gn
index 5bea83dda0136848621e1d039d495392435573bf..298ceda2f29d17168cb15686b5079f6ac1fff957 100644
--- a/build/toolchain/ark/BUILD.gn
+++ b/build/toolchain/ark/BUILD.gn
@@ -48,3 +48,12 @@ ark_clang_toolchain("ark_clang_mipsel") {
     current_os = "ohos"
   }
 }
+
+ark_clang_toolchain("ark_clang_loongarch64") {
+  sysroot = "${musl_sysroot}"
+  lib_dir = "usr/lib/loongarch64-linux-ohos"
+  toolchain_args = {
+    current_cpu = "loongarch64"
+    current_os = "ohos"
+  }
+}
diff --git a/build/toolchain/ark/ark_toolchain.gni b/build/toolchain/ark/ark_toolchain.gni
index 2b169d85cc0d2fb79875dab84b0b3160c4c78eef..ee696b931365dc1321ff15dd3d0e088990e6f134 100644
--- a/build/toolchain/ark/ark_toolchain.gni
+++ b/build/toolchain/ark/ark_toolchain.gni
@@ -32,6 +32,8 @@ template("ark_clang_toolchain") {
       abi_target = "aarch64-linux-ohos"
     } else if (invoker.target_name == "ark_clang_x86_64") {
       abi_target = "x86_64-linux-ohos"
+    } else if (invoker.target_name == "ark_clang_loongarch64") {
+      abi_target = "loongarch64-linux-ohos"
     }
 
     clang_rt_dir =