diff --git a/README.md b/README.md
index e4cee33a4dd2825cf60c98e07350f1d3ae5e55df..ced52cf29f3a9abd00756a31a4aec253b0c71c2a 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,7 @@ TinySTL
     * avl_tree：100%
 	* suffix_array：100%
 	* directed_graph：100%
+	* trie tree：100%
 
 ##TinySTL单元测试(原单元测试代码逐步)：
   * pair：100%
@@ -97,6 +98,7 @@ TinySTL
   * avl_tree：100%
   * unordered_set：100%
   * directed_graph：100%
+  * trie tree：100%
 
 #TinySTL性能测试:
 ###测试环境：Windows 7 && VS2013 && release模式
@@ -488,4 +490,40 @@ TinySTL
 ![image](https://raw.githubusercontent.com/zouxiaohang/TinySTL/master/TinySTL/ScreenShots/graph1.png)  
 ![image](https://raw.githubusercontent.com/zouxiaohang/TinySTL/master/TinySTL/ScreenShots/graph_dfs.png)  
 ![image](https://raw.githubusercontent.com/zouxiaohang/TinySTL/master/TinySTL/ScreenShots/graph_bfs.png)  
-![image](https://raw.githubusercontent.com/zouxiaohang/TinySTL/master/TinySTL/ScreenShots/graph2.png)
\ No newline at end of file
+![image](https://raw.githubusercontent.com/zouxiaohang/TinySTL/master/TinySTL/ScreenShots/graph2.png)
+
+
+
+
+
+####(16):trie tree
+
+    TinySTL::trie_tree t;
+	std::ifstream in;
+	in.open("C:\\Users\\zxh\\Desktop\\trie_tree_test.txt");
+	std::vector<std::string> v;
+	std::string s;
+	while (in){
+		in >> s;
+		v.push_back(s);
+	}
+	ProfilerInstance::start();
+	for (const auto& str : v){
+		t.insert(TinySTL::string(str.data()));
+	}
+	ProfilerInstance::finish();
+	std::cout << "build trie tree costs " << ProfilerInstance::millisecond() << "ms" << std::endl;
+
+	ProfilerInstance::start();
+	auto res = t.get_word_by_prefix("v");
+	ProfilerInstance::finish();
+	std::cout << "get word by prefix \"v\" costs " << ProfilerInstance::millisecond() << "ms" << std::endl;
+	auto i = 0;
+	for (const auto& str : res){
+		++i;
+		if (i % 10 == 0) std::cout << std::endl;
+		std::cout << str << " ";
+	}
+	std::cout << std::endl;
+    
+![image](https://raw.githubusercontent.com/zouxiaohang/TinySTL/master/TinySTL/ScreenShots/trie_tree.png)  
\ No newline at end of file
diff --git a/TinySTL/TinySTL.vcxproj b/TinySTL/TinySTL.vcxproj
index ea043591baed64790f85bea8c633ca45a915b4e7..02079421334def20639756274134458ea7ecb207 100644
--- a/TinySTL/TinySTL.vcxproj
+++ b/TinySTL/TinySTL.vcxproj
@@ -99,6 +99,7 @@
     <ClCompile Include="Test\StackTest.cpp" />
     <ClCompile Include="Test\StringTest.cpp" />
     <ClCompile Include="Test\SuffixArrayTest.cpp" />
+    <ClCompile Include="Test\TrieTreeTest.cpp" />
     <ClCompile Include="Test\Unordered_setTest.cpp" />
     <ClCompile Include="Test\VectorTest.cpp" />
   </ItemGroup>
@@ -146,6 +147,7 @@
     <ClInclude Include="Test\StringTest.h" />
     <ClInclude Include="Test\SuffixArrayTest.h" />
     <ClInclude Include="Test\TestUtil.h" />
+    <ClInclude Include="Test\TrieTreeTest.h" />
     <ClInclude Include="Test\Unordered_setTest.h" />
     <ClInclude Include="Test\VectorTest.h" />
     <ClInclude Include="TrieTree.h" />
@@ -164,6 +166,10 @@
     <Image Include="ScreenShots\graph_bfs.png" />
     <Image Include="ScreenShots\graph_dfs.png" />
     <Image Include="ScreenShots\suffix_array.png" />
+    <Image Include="ScreenShots\trie_tree.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Text Include="TestData\trie_tree_test.txt" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/TinySTL/TinySTL.vcxproj.filters b/TinySTL/TinySTL.vcxproj.filters
index 88293bcd9d44370cfa429853ca34c0eb2dd20313..41a6b296326a4ef7a9136fad60f7b9d2c47414a8 100644
--- a/TinySTL/TinySTL.vcxproj.filters
+++ b/TinySTL/TinySTL.vcxproj.filters
@@ -25,6 +25,9 @@
     <Filter Include="Detail">
       <UniqueIdentifier>{7dd5c5f0-33b6-44c6-b2b9-d4c0ec1d4c13}</UniqueIdentifier>
     </Filter>
+    <Filter Include="TestData">
+      <UniqueIdentifier>{676114e9-f556-46bf-9f51-65d820758de2}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Profiler\Profiler.cpp">
@@ -90,6 +93,9 @@
     <ClCompile Include="Detail\TireTree.cpp">
       <Filter>Detail</Filter>
     </ClCompile>
+    <ClCompile Include="Test\TrieTreeTest.cpp">
+      <Filter>Test</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="TypeTraits.h">
@@ -245,6 +251,9 @@
     <ClInclude Include="TrieTree.h">
       <Filter>头文件</Filter>
     </ClInclude>
+    <ClInclude Include="Test\TrieTreeTest.h">
+      <Filter>Test</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\README.md" />
@@ -265,5 +274,13 @@
     <Image Include="ScreenShots\graph2.png">
       <Filter>ScreenShots</Filter>
     </Image>
+    <Image Include="ScreenShots\trie_tree.png">
+      <Filter>ScreenShots</Filter>
+    </Image>
+  </ItemGroup>
+  <ItemGroup>
+    <Text Include="TestData\trie_tree_test.txt">
+      <Filter>TestData</Filter>
+    </Text>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/TinySTL/main.cpp b/TinySTL/main.cpp
index 0ad1d23d9e47c582e4f51e0bb5ec7dd531632e9a..9741d4e5804e9da40e36b0fbf0da454f451dd2ee 100644
--- a/TinySTL/main.cpp
+++ b/TinySTL/main.cpp
@@ -17,11 +17,10 @@
 #include "Test\StackTest.h"
 #include "Test\StringTest.h"
 #include "Test\SuffixArrayTest.h"
+#include "Test\TrieTreeTest.h"
 #include "Test\Unordered_setTest.h"
 #include "Test\VectorTest.h"
 
-#include "Graph.h"
-
 using namespace TinySTL::Profiler;
 
 int main(){
@@ -39,6 +38,7 @@ int main(){
 	TinySTL::StackTest::testAllCases();
 	TinySTL::StringTest::testAllCases();
 	TinySTL::SuffixArrayTest::testAllCases();
+	TinySTL::TrieTreeTest::testAllCases();
 	TinySTL::Unordered_setTest::testAllCases();
 	TinySTL::VectorTest::testAllCases();