diff --git a/ecmascript/base/json_stringifier.cpp b/ecmascript/base/json_stringifier.cpp
index 151d76739285801081a82fe6f6589c437d51ccdf..c280b71a463787d2dc41916d3a83d12304f5156f 100644
--- a/ecmascript/base/json_stringifier.cpp
+++ b/ecmascript/base/json_stringifier.cpp
@@ -894,7 +894,8 @@ bool JsonStringifier::SerializeElements(const JSHandle<JSObject> &obj, const JSH
             if (!key.IsUndefined() && !key.IsHole()) {
                 PropertyAttributes attr = numberDic->GetAttributes(thread_, hashIndex);
                 if (attr.IsEnumerable()) {
-                    JSTaggedValue numberKey = JSTaggedValue(static_cast<uint32_t>(key.GetInt()));
+                    JSTaggedValue numberKey = key.IsInt() ? JSTaggedValue(static_cast<uint32_t>(key.GetInt())) :
+                                                            JSTaggedValue(key.GetDouble());
                     sortArr.emplace_back(JSHandle<JSTaggedValue>(thread_, numberKey));
                 }
             }
diff --git a/ecmascript/base/json_stringifier_optimized.cpp b/ecmascript/base/json_stringifier_optimized.cpp
index 8a2f42c335981cfcca2b9c8bb7fd56a4a10448c9..381fb95fcb529c1ac881c9aef0053b35251fb6ae 100644
--- a/ecmascript/base/json_stringifier_optimized.cpp
+++ b/ecmascript/base/json_stringifier_optimized.cpp
@@ -872,7 +872,8 @@ bool JsonStringifier::SerializeElements(const JSHandle<JSObject> &obj, const JSH
             if (!key.IsUndefined() && !key.IsHole()) {
                 PropertyAttributes attr = numberDic->GetAttributes(thread_, hashIndex);
                 if (attr.IsEnumerable()) {
-                    JSTaggedValue numberKey = JSTaggedValue(static_cast<uint32_t>(key.GetInt()));
+                    JSTaggedValue numberKey = key.IsInt() ? JSTaggedValue(static_cast<uint32_t>(key.GetInt())) :
+                                                            JSTaggedValue(key.GetDouble());
                     sortArr.emplace_back(JSHandle<JSTaggedValue>(thread_, numberKey));
                 }
             }
diff --git a/test/moduletest/jsonstringifier/jsonstringifier.js b/test/moduletest/jsonstringifier/jsonstringifier.js
index cec5ef74250ee2b75f688efe4739a987846bc8ac..139716367ca51b7279f4ee67a03da7c931395e99 100644
--- a/test/moduletest/jsonstringifier/jsonstringifier.js
+++ b/test/moduletest/jsonstringifier/jsonstringifier.js
@@ -38,6 +38,11 @@ var obj = {
 }
 assert_equal(JSON.stringify(obj),'{"2147483648":2289}');
 
+var obj = {
+    6958012010: 2289
+}
+assert_equal(JSON.stringify(obj),'{"6958012010":2289}');
+
 const a = new Uint32Array(0x10);
 let  b = a.__proto__;
 b[1073741823] = {}
diff --git a/test/sharedtest/sharedJSON/expect_output.txt b/test/sharedtest/sharedJSON/expect_output.txt
index 4d3e75f1f2fb4de9e6860e5c20504b7f78941479..5a809b9333032330db5a101f684498b2de6ba5c7 100644
--- a/test/sharedtest/sharedJSON/expect_output.txt
+++ b/test/sharedtest/sharedJSON/expect_output.txt
@@ -137,3 +137,5 @@ true
 ["a1",null,1,true]
 ["a1",null,1,true]
 ["a1",1,null,true]
+{"2300004177":{"number":"2300004177"}}
+{"100":{"number":"100"}}
diff --git a/test/sharedtest/sharedJSON/sharedJSON.ts b/test/sharedtest/sharedJSON/sharedJSON.ts
index de80d84d53abffe15f20c1be7f9ea3968920721c..396b32560379a9408cdd4bb12fbb3af1c9a05fe3 100644
--- a/test/sharedtest/sharedJSON/sharedJSON.ts
+++ b/test/sharedtest/sharedJSON/sharedJSON.ts
@@ -553,6 +553,17 @@ function testASONStringifyMapSetAddUndefined() {
     print(str6);
 }
 
+function testOverInt32Key() {
+    let jsonText = '{"2300004177":{"number":"2300004177"}}';
+    let obj = JSON.parseSendable(jsonText);
+    let str = JSON.stringify(obj);
+    print(str)
+    let jsonText1 = '{"100":{"number":"100"}}';
+    let obj1 = JSON.parseSendable(jsonText1);
+    let str1 = JSON.stringify(obj1);
+    print(str1)
+}
+
 testJSONParseSendable();
 jsonRepeatCall();
 testASONBigInt();
@@ -567,3 +578,4 @@ testASONStringifyMapAndSet();
 testASONStringifyMapAndSetAndObj();
 testASONStringifyAfterClearMapAndSet();
 testASONStringifyMapSetAddUndefined();
+testOverInt32Key();