diff --git a/llvm-build/build.py b/llvm-build/build.py
index 4459e122e246513bee70cb7f934ae74843ba1700..c99813afd4802bfe66eb70ec584deb2738b5e45a 100755
--- a/llvm-build/build.py
+++ b/llvm-build/build.py
@@ -29,6 +29,7 @@ import stat
 import json
 import sys
 
+from shutil import which
 from python_builder import MinGWPythonBuilder
 from prebuilts_clang_version import prebuilts_clang_version
 from get_ohos_flags import get_ohos_cflags, get_ohos_ldflags
@@ -43,6 +44,7 @@ class BuildConfig():
 
         assert not(args.no_build and args.build_only), "Error! --no-build and --build-only flags aren't compatible."
 
+        self.enable_ccache = args.enable_ccache
         self.no_strip_libs = args.no_strip_libs
         self.do_build = not args.skip_build
         self.do_package = not args.skip_package and not args.build_only
@@ -141,6 +143,12 @@ class BuildConfig():
             default=False,
             help='Strip others but not strip libs(use with --strip)')
 
+        parser.add_argument(
+            '--enable-ccache',
+            action='store_true',
+            default=False,
+            help='Enable ccache while build llvm toolchain')
+
         parser.add_argument(
             '--enable-assertions',
             action='store_true',
@@ -915,6 +923,12 @@ class LlvmCore(BuildUtils):
         llvm_defines['LLVM_ENABLE_PROJECTS'] = ';'.join(self.build_config.host_projects)
         llvm_defines['LLVM_ENABLE_RUNTIMES'] = ';'.join(self.build_config.host_runtimes)
         llvm_defines['LLVM_ENABLE_BINDINGS'] = 'OFF'
+
+        if self.build_config.enable_ccache:
+            llvm_defines['CMAKE_C_COMPILER_LAUNCHER'] = which('ccache')
+            llvm_defines['CMAKE_CXX_COMPILER_LAUNCHER'] = which('ccache')
+            llvm_defines['CMAKE_LINKER_LAUNCHER'] = which('ccache')
+
         llvm_defines['CMAKE_C_COMPILER'] = os.path.join(llvm_root, 'bin', 'clang')
         llvm_defines['CMAKE_CXX_COMPILER'] = os.path.join(llvm_root, 'bin', 'clang++')
         llvm_defines['CMAKE_AR'] = os.path.join(llvm_root, 'bin', 'llvm-ar')
@@ -1121,6 +1135,10 @@ class LlvmCore(BuildUtils):
             self.build_config.LLDB_PYTHON)
         windows_defines['SWIG_EXECUTABLE'] = self.find_program('swig')
 
+        if self.build_config.enable_ccache:
+            windows_defines['CMAKE_C_COMPILER_LAUNCHER'] = which('ccache')
+            windows_defines['CMAKE_CXX_COMPILER_LAUNCHER'] = which('ccache')
+            windows_defines['CMAKE_LINKER_LAUNCHER'] = which('ccache')
         windows_defines['CMAKE_C_COMPILER'] = cc
         windows_defines['CMAKE_CXX_COMPILER'] = cxx
         windows_defines['CMAKE_SYSTEM_NAME'] = 'Windows'
@@ -1473,7 +1491,10 @@ class LlvmLibs(BuildUtils):
                            extra_flags):
 
         sysroot = self.merge_out_path('sysroot')
-
+        if self.build_config.enable_ccache:
+            defines['CMAKE_C_COMPILER_LAUNCHER'] = which('ccache')
+            defines['CMAKE_CXX_COMPILER_LAUNCHER'] = which('ccache')
+            defines['CMAKE_LINKER_LAUNCHER'] = which('ccache')
         defines['CMAKE_C_COMPILER'] = cc
         defines['CMAKE_CXX_COMPILER'] = cxx
         defines['CMAKE_AR'] = ar
@@ -2001,6 +2022,10 @@ class LlvmLibs(BuildUtils):
                   '-D_FILE_OFFSET_BITS=64', '-D_WIN32_WINNT=0x0600', '-DWINVER=0x0600', '-D__MSVCRT_VERSION__=0x1400']
 
         cmake_defines = {}
+        if self.build_config.enable_ccache:
+            cmake_defines['CMAKE_C_COMPILER_LAUNCHER'] = which('ccache')
+            cmake_defines['CMAKE_CXX_COMPILER_LAUNCHER'] = which('ccache')
+            cmake_defines['CMAKE_LINKER_LAUNCHER'] = which('ccache')
         cmake_defines['CMAKE_C_COMPILER'] = os.path.join(toolchain_dir, 'bin', 'clang')
         cmake_defines['CMAKE_CXX_COMPILER'] = os.path.join(toolchain_dir, 'bin', 'clang++')
         cmake_defines['CMAKE_CROSSCOMPILING'] = 'True'
@@ -2936,6 +2961,12 @@ class LlvmPackage(BuildUtils):
             self.package_up_resulting(package_name, host, install_host_dir)
         return
 
+def enable_ccache():
+    ccache_path = which('ccache')
+    os.environ['CCACHE_EXEC'] = ccache_path
+    os.environ['CCACHE_MAXSIZE'] = '100G'
+    os.environ['CCACHE_LOGFILE'] = os.path.join(os.environ.get('HOME'), '.ccache.log')
+    os.environ['CCACHE_DIR'] = os.path.join(os.environ.get('HOME'), '.ccache')
 
 def main():
     build_config = BuildConfig()
@@ -2946,6 +2977,8 @@ def main():
     llvm_libs = LlvmLibs(build_config, sysroot_composer, llvm_package)
 
     args = build_config.parse_args()
+    if args.enable_ccache:
+        enable_ccache()
     need_host = build_utils.host_is_darwin() or ('linux' not in args.no_build)
     need_windows = build_utils.host_is_linux() and not build_utils.host_is_linux_aarch64() and \
                    not build_config.build_only and ('windows' not in args.no_build)