diff --git a/common/include/dm_anonymous.h b/common/include/dm_anonymous.h
index 2e3647104bc0bd5ab19c75e6b1899e993a2bdb4a..46a5734f61456deaeca84c57d203805a9f8d8ad2 100644
--- a/common/include/dm_anonymous.h
+++ b/common/include/dm_anonymous.h
@@ -106,6 +106,7 @@ bool IsDmCommonNotifyEventValid(DmCommonNotifyEvent dmCommonNotifyEvent);
 DM_EXPORT std::string SafetyDump(const JsonItemObject &jsonObj);
 std::string GetSubStr(const std::string &rawStr, const std::string &separator, int32_t index);
 bool IsJsonValIntegerString(const JsonItemObject &jsonObj, const std::string &key);
+std::string GetAnonyJsonString(const std::string &value);
 } // namespace DistributedHardware
 } // namespace OHOS
 #endif // OHOS_DM_ANONYMOUS_H
diff --git a/common/src/dm_anonymous.cpp b/common/src/dm_anonymous.cpp
index 6a4c57063858fbc04dd12083749ecc90d63bac63..57edca138b185da9f1ca5af21277e6e6129b6c6f 100644
--- a/common/src/dm_anonymous.cpp
+++ b/common/src/dm_anonymous.cpp
@@ -16,6 +16,8 @@
 #include "dm_anonymous.h"
 #include "dm_log.h"
 #include <sstream>
+#include <set>
+
 namespace OHOS {
 namespace DistributedHardware {
 namespace {
@@ -437,5 +439,25 @@ bool IsJsonValIntegerString(const JsonItemObject &jsonObj, const std::string &ke
     }
     return true;
 }
+
+std::string GetAnonyJsonString(const std::string &value)
+{
+    if (value.empty()) {
+        return "";
+    }
+    JsonObject paramJson(value);
+    if (paramJson.IsDiscarded()) {
+        return "";
+    }
+    const std::set<std::string> sensitiveKey = { "LOCALDEVICEID", "localAccountId", "networkId", "lnnPublicKey",
+        "transmitPublicKey", "DEVICEID", "deviceId", "keyValue", "deviceName", "REMOTE_DEVICE_NAME", "data" };
+
+    for (auto &element : paramJson.Items()) {
+        if (element.IsString() && sensitiveKey.find(element.Key()) != sensitiveKey.end()) {
+            paramJson[element.Key()] = GetAnonyString(element.Get<std::string>());
+        }
+    }
+    return paramJson.Dump();
+}
 } // namespace DistributedHardware
 } // namespace OHOS
\ No newline at end of file
diff --git a/services/implementation/src/authentication_v2/auth_stages/auth_credential.cpp b/services/implementation/src/authentication_v2/auth_stages/auth_credential.cpp
index 63cb2286acf7aa28870a3a056f6974fa19198093..a483b4ad8ea708ac6a9e695e46dfb89421af6dfc 100644
--- a/services/implementation/src/authentication_v2/auth_stages/auth_credential.cpp
+++ b/services/implementation/src/authentication_v2/auth_stages/auth_credential.cpp
@@ -315,8 +315,8 @@ int32_t AuthCredentialAgreeState::GenerateCredIdAndPublicKey(DmAuthScope authori
     (void)authContext->SetCredentialId(DM_AUTH_LOCAL_SIDE, authorizedScope, credId);
     (void)authContext->SetPublicKey(DM_AUTH_LOCAL_SIDE, authorizedScope, publicKey);
     LOGI("AuthCredentialAgreeState::GenerateCredIdAndPublicKey credId=%{public}s, publicKey=%{public}s.\n",
-        authContext->GetCredentialId(DM_AUTH_LOCAL_SIDE, authorizedScope).c_str(),
-        authContext->GetPublicKey(DM_AUTH_LOCAL_SIDE, authorizedScope).c_str());
+        GetAnonyString(authContext->GetCredentialId(DM_AUTH_LOCAL_SIDE, authorizedScope)).c_str(),
+        GetAnonyString(authContext->GetPublicKey(DM_AUTH_LOCAL_SIDE, authorizedScope)).c_str());
     LOGI("AuthCredentialAgreeState::GenerateCredIdAndPublicKey leave.");
     return DM_OK;
 }
@@ -343,7 +343,7 @@ int32_t AuthCredentialAgreeState::AgreeCredential(DmAuthScope authorizedScope,
     std::string selfCredId = authContext->GetCredentialId(DM_AUTH_LOCAL_SIDE, authorizedScope);
     std::string credId;
     LOGI("AuthCredentialAgreeState::AgreeCredential agree with accountId %{public}d and param %{public}s.",
-        osAccountId, authParamsString.c_str());
+        osAccountId, GetAnonyJsonString(authParamsString).c_str());
     int32_t ret = authContext->hiChainAuthConnector->AgreeCredential(osAccountId, selfCredId,
         authParamsString, credId);
     if (ret != DM_OK) {
diff --git a/services/implementation/src/authentication_v2/dm_auth_message_processor.cpp b/services/implementation/src/authentication_v2/dm_auth_message_processor.cpp
index 38427822cfac8965e610baba0476133612bce07a..495371b11850d4c599f46f6fa49fbaf280a12c93 100644
--- a/services/implementation/src/authentication_v2/dm_auth_message_processor.cpp
+++ b/services/implementation/src/authentication_v2/dm_auth_message_processor.cpp
@@ -545,8 +545,7 @@ int32_t DmAuthMessageProcessor::ParseMessageRspCredExchange(const JsonObject &js
         LOGE("DmAuthMessageProcessor::ParseMessageRspCredExchange error, decrypt data failed.");
         return ERR_DM_FAILED;
     }
-
-    LOGI("DmAuthMessageProcessor::ParseMessageRspCredExchange plainText=%{public}s", plainText.c_str());
+    LOGI("plainText=%{public}s", GetAnonyJsonString(plainText).c_str());
 
     JsonObject jsonData(plainText);
 
@@ -590,7 +589,7 @@ std::string DmAuthMessageProcessor::CreateMessage(DmMessageType msgType, std::sh
         return "";
     }
     int32_t ret = (this->*(itr->second))(context, jsonObj);
-    LOGI("DmAuthMessageProcessor::CreateMessage start. message is %{public}s", jsonObj.Dump().c_str());
+    LOGI("start. message is %{public}s", GetAnonyJsonString(jsonObj.Dump()).c_str());
     return (ret == DM_OK) ? jsonObj.Dump() : "";
 }
 
@@ -718,7 +717,7 @@ int32_t DmAuthMessageProcessor::CreateMessageRspCredExchange(std::shared_ptr<DmA
 
     std::string plainText = jsonData.Dump();
     std::string cipherText;
-    LOGI("DmAuthMessageProcessor::CreateMessageRspCredExchange plainText=%{public}s", plainText.c_str());
+    LOGI("plainText=%{public}s", GetAnonyJsonString(plainText).c_str());
     int32_t ret = cryptoMgr_->EncryptMessage(plainText, cipherText);
     if (ret != DM_OK) {
         LOGI("DmAuthMessageProcessor::CreateMessageRspCredExchange encryptMessage failed.");
diff --git a/services/implementation/src/dependency/hichain/hichain_auth_connector.cpp b/services/implementation/src/dependency/hichain/hichain_auth_connector.cpp
index cf46c4ad2da4392d428ff775bc6e2b14242f392b..28759e22ccc46f9744215405d9a5787012705ddd 100644
--- a/services/implementation/src/dependency/hichain/hichain_auth_connector.cpp
+++ b/services/implementation/src/dependency/hichain/hichain_auth_connector.cpp
@@ -158,7 +158,7 @@ int32_t HiChainAuthConnector::AddCredential(int32_t osAccountId, const std::stri
         LOGE("Hichain addCredential failed ret %{public}d.", ret);
         return ERR_DM_FAILED;
     }
-    LOGI("success ret=%{public}d, returnData=%{public}s.", ret, returnData);
+    LOGI("success ret=%{public}d, returnData=%{public}s.", ret, GetAnonyString(returnData).c_str());
     credId = std::string(returnData);
     credManager->destroyInfo(&returnData);
     return DM_OK;
@@ -166,7 +166,7 @@ int32_t HiChainAuthConnector::AddCredential(int32_t osAccountId, const std::stri
 
 int32_t HiChainAuthConnector::ExportCredential(int32_t osAccountId, const std::string &credId, std::string &publicKey)
 {
-    LOGI("start. osAccountId=%{public}d, credId=%{public}s", osAccountId, credId.c_str());
+    LOGI("start. osAccountId=%{public}d, credId=%{public}s", osAccountId, GetAnonyString(credId).c_str());
     char *returnData = NULL;
     const CredManager *credManager = GetCredMgrInstance();
     int32_t ret = credManager->exportCredential(osAccountId, credId.c_str(), &returnData);
@@ -200,7 +200,7 @@ int32_t HiChainAuthConnector::AgreeCredential(int32_t osAccountId, const std::st
     }
     credId = returnData;
     credManager->destroyInfo(&returnData);
-    LOGI("leave agreeCredId=%{public}s.", credId.c_str());
+    LOGI("leave agreeCredId=%{public}s.", GetAnonyString(credId).c_str());
     return DM_OK;
 }