diff --git a/README.md b/README.md
index 5c823f37..1cf61e09 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,18 @@ Environment
 
 Run
 -------
-$ python main.py
+
+```
+python main.py
+```
+
+Or install the command-line tool.
+
+```
+python ./setup.py install
+
+BBox-Label-Tool
+```
 
 Usage
 -----
diff --git a/main.py b/main.py
index e19a0888..f7e6fb27 100644
--- a/main.py
+++ b/main.py
@@ -286,8 +286,11 @@ def gotoImage(self):
 ##        self.mainPanel.config(height = self.tkimg.height())
 ##        self.mainPanel.create_image(0, 0, image = self.tkimg, anchor=NW)
 
-if __name__ == '__main__':
+def main():
     root = Tk()
     tool = LabelTool(root)
     root.resizable(width =  True, height = True)
     root.mainloop()
+
+if __name__ == '__main__':
+    main()
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..7e2fba5e
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+Pillow
diff --git a/setup.py b/setup.py
new file mode 100644
index 00000000..3ab2bd71
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,19 @@
+try:
+  from setuptools import setup
+  setup()
+except ImportError:
+  from distutils.core import setup
+
+setup(
+    name="BBox-Label-Tool",
+    version="1.0.0",
+    author="puzzledqs",
+    url="https://github.com/puzzledqs/BBox-Label-Tool",
+    description="A simple tool for labeling object bounding boxes in images",
+    packages=["."],
+    zip_safe=False,
+    entry_points={
+        "console_scripts": [
+            "BBox-Label-Tool=main:main",
+        ],
+    })