diff --git a/services/distributeddataservice/service/udmf/preprocess/data_handler.cpp b/services/distributeddataservice/service/udmf/preprocess/data_handler.cpp
index 94d6ad7f15bed33d5727bdd5c8548d85a272f0ac..e284636f384736444f69df7d20ce977134586ddd 100644
--- a/services/distributeddataservice/service/udmf/preprocess/data_handler.cpp
+++ b/services/distributeddataservice/service/udmf/preprocess/data_handler.cpp
@@ -21,6 +21,7 @@
 namespace OHOS::UDMF {
 constexpr const char *UD_KEY_SEPARATOR = "/";
 constexpr const char *UD_KEY_ENTRY_SEPARATOR = "#";
+constexpr const char *UD_KEY_PROPERTIES_SEPARATOR = "#properties";
 
 Status DataHandler::MarshalToEntries(const UnifiedData &unifiedData, std::vector<Entry> &entries)
 {
@@ -34,6 +35,17 @@ Status DataHandler::MarshalToEntries(const UnifiedData &unifiedData, std::vector
     std::vector<uint8_t> udKeyBytes = { unifiedKey.begin(), unifiedKey.end() };
     Entry entry = { udKeyBytes, runtimeBytes };
     entries.emplace_back(entry);
+
+    std::string propsKey = unifiedKey + UD_KEY_PROPERTIES_SEPARATOR;
+    std::vector<uint8_t> propsBytes;
+    auto propsTlv = TLVObject(propsBytes);
+    if (!TLVUtil::Writing(*unifiedData.GetProperties(), propsTlv, TAG::TAG_UNIFIED_PROPERTIES)) {
+        ZLOGE("Properties info marshalling failed:%{public}s", propsKey.c_str());
+        return E_WRITE_PARCEL_ERROR;
+    }
+    std::vector<uint8_t> propsKeyBytes = { propsKey.begin(), propsKey.end() };
+    Entry propsEntry = { propsKeyBytes, propsBytes };
+    entries.emplace_back(propsEntry);
     return BuildEntries(unifiedData.GetRecords(), unifiedKey, entries);
 }
 
@@ -98,6 +110,10 @@ Status DataHandler::UnmarshalEntryItem(UnifiedData &unifiedData, const std::vect
             }
             innerEntries.emplace(keyStr, std::move(*entryRead));
         }
+        if (UnmarshalEntryProps(unifiedData, data, keyStr, isStartWithKey) != E_OK) {
+            ZLOGE("Unmarshall unified properties info failed.");
+            return E_READ_PARCEL_ERROR;
+        }
     }
     return E_OK;
 }
@@ -136,4 +152,18 @@ Status DataHandler::BuildEntries(const std::vector<std::shared_ptr<UnifiedRecord
     }
     return E_OK;
 }
+
+Status DataHandler::UnmarshalEntryProps(UnifiedData &unifiedData, TLVObject &data,
+    const std::string &keyStr, bool isStartWithKey)
+{
+    if (isStartWithKey && keyStr.rfind(UD_KEY_PROPERTIES_SEPARATOR) != std::string::npos) {
+        std::shared_ptr<UnifiedDataProperties> properties;
+        if (!TLVUtil::ReadTlv(properties, data, TAG::TAG_UNIFIED_PROPERTIES)) {
+            ZLOGE("Unmarshall unified properties failed.");
+            return E_READ_PARCEL_ERROR;
+        }
+        unifiedData.SetProperties(std::move(properties));
+    }
+    return E_OK;
+}
 } // namespace UDMF::OHOS
\ No newline at end of file
diff --git a/services/distributeddataservice/service/udmf/preprocess/data_handler.h b/services/distributeddataservice/service/udmf/preprocess/data_handler.h
index 3be27dfa34bab235852fc67e59bee7a5fea3ec92..4ce9051dcaa76a957afb030fbf8612486bc76f25 100644
--- a/services/distributeddataservice/service/udmf/preprocess/data_handler.h
+++ b/services/distributeddataservice/service/udmf/preprocess/data_handler.h
@@ -16,6 +16,7 @@
 #define DATA_HANDLER_H
 
 #include "unified_data.h"
+#include "tlv_object.h"
 #include "types_export.h"
 
 namespace OHOS::UDMF {
@@ -33,6 +34,8 @@ private:
     static Status UnmarshalEntryItem(UnifiedData &unifiedData, const std::vector<Entry> &entries,
         const std::string &key, std::map<std::string, std::shared_ptr<UnifiedRecord>> &records,
         std::map<std::string, std::map<std::string, ValueType>> &innerEntries);
+    static Status UnmarshalEntryProps(UnifiedData &unifiedData, TLVObject &data,
+        const std::string &keyStr, bool isStartWithKey);
 };
 } // namespace UDMF::OHOS
 #endif // DATA_HANDLER_H
\ No newline at end of file