diff --git a/cat.txt b/cat.txt
new file mode 100644
index 000000000..7cf38a17a
--- /dev/null
+++ b/cat.txt
@@ -0,0 +1,24 @@
+import Image
+
+grey2char = ['@', '#', '$', '%', '&', '?', '*', 'o', '/', '{', '[', '(', '|', '!', '^', '~', '-', '_', ':', ';', ',',
+             '.', '`', ' ']
+count = len(grey2char)
+
+
+def toText(image_file):
+    image_file = image_file.convert('L')  # 转灰度
+    result = ''  # 储存字符串
+    for h in range(0, image_file.size[1]):  # height
+        for w in range(0, image_file.size[0]):  # width
+            gray = image_file.getpixel((w, h))
+            result += grey2char[int(gray / (255 / (count - 1)))]
+        result += '\r\n'
+    return result
+
+
+image_file = Image.open("nyanko.jpg")  # 打开图片
+image_file = image_file.resize((int(image_file.size[0]*0.2), int(image_file.size[1] * 0.1)))  # 调整图片大小
+
+output = open('outputcat.txt', 'w')
+output.write(toText(image_file))
+output.close()