diff --git a/pie_chart.py b/pie_chart.py
new file mode 100644
index 0000000..b2e9b1a
--- /dev/null
+++ b/pie_chart.py
@@ -0,0 +1,19 @@
+import pandas as pd
+import matplotlib.pyplot as plt
+import matplotlib
+
+# 设置默认字体以支持中文
+matplotlib.rcParams['font.sans-serif'] = ['Microsoft YaHei'] 
+
+# 读取 Excel 文件
+df = pd.read_excel('danmu_statistics.xlsx', sheet_name='AI 技术关键词')  
+
+# 数据在名为 '关键词' 和 '出现次数' 的列中
+categories = df['关键词']
+values = df['出现次数']
+
+# 绘制饼状图
+plt.figure(figsize=(8, 6))
+plt.pie(values, labels=categories, autopct='%1.1f%%', startangle=140)
+plt.title('AI 技术各关键词占比')
+plt.show()