diff --git a/pdf_maker.py b/pdf_maker.py
new file mode 100644
index 0000000..bf53b82
--- /dev/null
+++ b/pdf_maker.py
@@ -0,0 +1,48 @@
+#!/usr/local/bin/python3
+
+import os
+import glob
+import fileinput
+import linecache
+from functools import partial
+
+repo_dir = os.getcwd()
+source_dir = os.path.join(repo_dir, "source")
+all_md_path = os.path.join(repo_dir, "python-guide.pdf",)
+
+count = 0
+
+with open(all_md_path, "w") as all_md:
+    write = partial(print, file=all_md, end="")
+    os.chdir(source_dir)
+
+    for c_no in sorted(glob.glob("c*")):
+        if c_no == "chapters" or c_no == "conf.py":
+            continue
+
+        # 读取并记下章节名
+        c_name = linecache.getline(os.path.join(source_dir, "chapters", f"{c_no.replace('c', 'p')}.rst"), 2)
+        write(f"# {c_name}\n\n", file=all_md)
+
+        # 读取每一节的内容
+        all_md_file = sorted(glob.glob(f"{source_dir}/{c_no}/*.md"))
+        for line in fileinput.input(all_md_file):
+            if "20200804124133" in line or "20200607174235" in line:
+                continue
+
+            if fileinput.isfirstline():
+                count += 1
+                if count%5 == 0:
+                    write("![](http://image.iswbm.com/20210606214719.png)", end="\n\n")
+
+            if line.startswith("# "):
+                line = line.replace("# ", "## ")
+            elif line.startswith("## "):
+                line = line.replace("## ", "### ")
+            elif line.startswith("### "):
+                line = line.replace("### ", "#### ")
+            elif "gif" in line:
+                line = line.replace("![]", "![该图为GIF,请前往 python.iswbm.com 浏览]")
+
+            write(line)
+