diff --git a/src/TfIdfKeyWord.hpp b/src/TfIdfKeyWord.hpp
new file mode 100644
index 0000000..c155af6
--- /dev/null
+++ b/src/TfIdfKeyWord.hpp
@@ -0,0 +1,32 @@
+#ifndef CPPJIEBA_TFIDF_H
+#define CPPJIEBA_TFIDF_H
+
+#include "MPSegment.hpp"
+
+namespace CppJieba
+{
+    using namespace Limonp;
+
+    class TfIdfKeyWord
+    {
+        private:
+            MPSegment _segment;
+        public:
+            TfIdfKeyWord(const char* dictFile): _segment(dictFile){};
+            ~TfIdfKeyWord(){};
+        public:
+            bool init(){return _segment.init();};
+            bool dispose(){return _segment.dispose();};
+        public:
+            bool extract(const string& str, vector<string>& words, uint topN)
+            {
+                return _segment.cut(words);
+                return true;
+            }
+            
+    };
+}
+
+#endif
+
+