diff --git a/frameworks/native/neural_network_runtime/nncompiled_cache.cpp b/frameworks/native/neural_network_runtime/nncompiled_cache.cpp
index 498fc5ac7c0cd5751567c7a60484d0812eb20898..23ed62c8ca539e903b39f3912497f2bc07ef6aa3 100644
--- a/frameworks/native/neural_network_runtime/nncompiled_cache.cpp
+++ b/frameworks/native/neural_network_runtime/nncompiled_cache.cpp
@@ -190,6 +190,10 @@ OH_NN_ReturnCode NNCompiledCache::GenerateCacheModel(const std::vector<OHOS::Neu
                                                      uint32_t version) const
 {
     size_t cacheNumber = caches.size();
+    if (cacheNumber == 0 || cacheNumber > NN_CACHE_FILE_NUMBER_MAX) {
+        LOGE("[NNCompiledCache] Caches size is equal 0 or greater than 100.");
+        return OH_NN_FAILED;
+    }
 
     auto cacheInfoPtr = cacheInfo.get();
     *cacheInfoPtr++ = static_cast<int64_t>(cacheNumber);
diff --git a/frameworks/native/neural_network_runtime/nncompiled_cache.h b/frameworks/native/neural_network_runtime/nncompiled_cache.h
index df84886a564a9bf78200ca8afa4699dbb2ae21e5..fff2c1f50ef1315156401ba6c949065b45e8e337 100644
--- a/frameworks/native/neural_network_runtime/nncompiled_cache.h
+++ b/frameworks/native/neural_network_runtime/nncompiled_cache.h
@@ -27,6 +27,7 @@
 namespace OHOS {
 namespace NeuralNetworkRuntime {
 const uint32_t INVALID_CAHCE_VERSION = UINT32_MAX; // UINT32_MAX is reserved for invalid cache version.
+constexpr size_t NN_CACHE_FILE_NUMBER_MAX = 100; // 限制cache文件数量最大为100
 
 struct NNCompiledCacheInfo {
     int64_t fileNumber{0};
diff --git a/frameworks/native/neural_network_runtime/nncompiler.cpp b/frameworks/native/neural_network_runtime/nncompiler.cpp
index d1aa30e03e8e4e2887f2940d952587462874baa3..ed72e0808baf5e378f1c376b1c70d070b7b54871 100644
--- a/frameworks/native/neural_network_runtime/nncompiler.cpp
+++ b/frameworks/native/neural_network_runtime/nncompiler.cpp
@@ -531,6 +531,12 @@ OH_NN_ReturnCode NNCompiler::SaveToCacheFile() const
         return ret;
     }
 
+    size_t cacheNumber = caches.size();
+    if (cacheNumber == 0 || cacheNumber > NN_CACHE_FILE_NUMBER_MAX) {
+        LOGE("[NNCompiler] Caches size is equal 0 or greater than 100.");
+        return OH_NN_FAILED;
+    }
+
     NNCompiledCache compiledCache;
     ret = compiledCache.SetBackend(m_backendID);
     if (ret != OH_NN_SUCCESS) {