1, meat dumplings have been around since the Jin Dynasty. Since the Jin dynasty, Chinese medicine, meat, chestnut, etc. It has been added to jiaozi as a gift, and has been given different meanings due to different raw materials, such as Alpinia oxyphylla, a traditional Chinese medicine, so it is called "Yizhi jiaozi".

2. The rice used for Zongzi in the Tang Dynasty is "white as jade", and the shape of Zongzi appears conical and rhombic. There is a record of "Da Tang Zongzi" in Japanese literature.

3. In Song Dynasty, when people's life happiness index was high, the shape of Zongzi was more beautiful, and the body of Zongzi was wrapped with red silk thread. In the Song Dynasty, Yang Wuxia wrote during the Dragon Boat Festival in Qi Tianle: Count Huang Meiyu. It is noon again. Corn is covered with gold, calamus is full of jade, and the scenery is still beautiful. Shirt Ai Hu. Zhu Fu has more curly hair and red thunder on his arm. Float powder and fragrant cotton, call the wind silk to fan the small window at noon. The taste of Zongzi in the Song Dynasty is also more abundant, including "Ai Xiang Zongzi" wrapped in mugwort leaves and "candied Zongzi" stuffed with preserved fruit.

4. In the Yuan and Ming Dynasties, the wrapping materials of zongzi gradually developed, from long leaves to long leaves and then to reed leaves, which broke through the seasonal restriction of long leaves and appeared additional materials such as bean paste, pork, pine nuts, dates and walnuts, which were rich in varieties and tended to be modern.

During the Ming and Qing Dynasties, zongzi became auspicious food. According to legend, all the scholars who took part in the imperial examination at that time had to eat the "pen container zongzi" specially wrapped for them at home before going to the examination room. The pen container looked like a brush, and the homonym "must be correct" in order to get a good name.