Zongzi, steamed glutinous rice wrapped in reed leaves, is one of the traditional Chinese festival foods. As one of the traditional foods with the deepest historical and cultural accumulation in China, zongzi has spread far and wide. The custom of Zongzi during the Dragon Boat Festival has been popular in China for thousands of years and even spread to East Asian countries. 
Reed, the reed , main material is glutinous rice and filling, with reed leaves (or Zhong leaves, Le ancient cotyledon, etc.) package, shape variety, mainly have sharp corners, the four corners, etc. Zongzi has a long history. It was originally used as a tribute to the ancestors. North and south called different, the north produces millet, with millet rice to make reed, Angle shape, in ancient times in the north called "Jiaoshu". From the taste of zongzi, there are salty zongzi and sweet zongzi two categories.
Due to different eating habits, zongzi formed a north-south flavor; From the filling, there are Beijing jujube dumplings in the north; In the south, there are mung bean, pork belly, bean paste, eight treasures, ham, mushroom, egg yolk and other fillings, which are represented by Guangdong bacon zongzi and Zhejiang Jiaxing zongzi.