diff --git a/src/src/base/DICOMDirectoryHelper.cpp b/src/src/base/DICOMDirectoryHelper.cpp
index 3065a3b..596ed16 100644
--- a/src/src/base/DICOMDirectoryHelper.cpp
+++ b/src/src/base/DICOMDirectoryHelper.cpp
@@ -168,6 +168,15 @@ ExtendMedicalImageProperties* DICOMDirectoryHelper::GetSeries(int idx) {
     return seriesProperties[idx];
 }
 
+ExtendMedicalImageProperties *DICOMDirectoryHelper::GetSeriesBySeriesUID(const char* seriesUID) {
+    for (int i = 0; i < seriesProperties.size(); ++i) {
+        if (0==strcmp(seriesProperties[i]->GetSeriesUID(), seriesUID)){
+            return seriesProperties[i];
+        }
+    }
+    return nullptr;
+}
+
 void DICOMDirectoryHelper::Clear() {
     dirName.clear();
     fileName.clear();
@@ -177,3 +186,5 @@ void DICOMDirectoryHelper::Clear() {
     seriesProperties.clear();
     SeriesCount = 0;
 }
+
+
diff --git a/src/src/base/DICOMDirectoryHelper.h b/src/src/base/DICOMDirectoryHelper.h
index 357304c..4701403 100644
--- a/src/src/base/DICOMDirectoryHelper.h
+++ b/src/src/base/DICOMDirectoryHelper.h
@@ -39,6 +39,7 @@ public:
         return SeriesCount;
     }
     ExtendMedicalImageProperties* GetSeries(int idx);
+    ExtendMedicalImageProperties* GetSeriesBySeriesUID(const char* seriesUID);
 
 private:
     std::string dirName;