diff --git a/include/cppjieba/KeywordExtractor.hpp b/include/cppjieba/KeywordExtractor.hpp
index 24b2c40..c7c6a94 100644
--- a/include/cppjieba/KeywordExtractor.hpp
+++ b/include/cppjieba/KeywordExtractor.hpp
@@ -89,6 +89,11 @@ class KeywordExtractor {
     std::partial_sort(keywords.begin(), keywords.begin() + topN, keywords.end(), Compare);
     keywords.resize(topN);
   }
+
+  const std::unordered_set<std::string>& GetStopWords() const {
+    return stopWords_;
+  }
+
  private:
   void LoadIdfDict(const std::string& idfPath) {
     std::ifstream ifs(idfPath.c_str());