diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,73 @@
-# text_loader
+# Text Loader
+
+*author: shiyu22*
+
+<br />
+
+
+
+### Description
+
+**Text Loader** is used to load the documents and split it to a list of text.
+
+**Text loader** is used to load files and split them into text lists. It supports loading local files (with file path), or web links (with url). 
+
+> Refer to [Recursive Characters](https://python.langchain.com/en/latest/modules/indexes/text_splitters/examples/recursive_text_splitter.html) for the operation of splitting text.
+
+<br />
+
+
+
+### Code Example
+
+Writing the pipeline in the simplified way
+
+```Python
+from towhee import pipe, ops, DataCollection
+
+p = (
+    pipe.input('url')
+        .flat_map('url', 'text', ops.text_loader(source_type='url'))
+        .output('url', 'text')
+    )
+
+res = p('https://docs.towhee.io/Getting%20Started/create-pipeline/')
+DataCollection(res).show()
+```
+
+<img src="./result.png" alt="result" height="180px"/>
+
+<br />
+
+
+
+## Factory Constructor
+
+Create the operator via the following factory method
+
+***towhee.text_loader(chunk_size=300, source_type='file')***
+
+<br />
+
+
+
+### Interface
+
+The operator load the documentation, then split incoming the text and return chunks.
+
+**Parameters:**
+
+​	***chunk_size***: int
+
+​	The size of each chunk, defaults to 300.
+
+​    ***source_type***: str
+
+​	The type of the soure, defaults to 'file', you can also set to 'url' for you url of your documentation.
+
+
+
+**Return**: List[Document]
+
+A list of the chunked document.
 
diff --git a/requirements.txt b/requirements.txt
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--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 langchain>=0.0.151
+unstructured
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