1. It takes about 30 minutes to cook zongzi in an electric pressure cooker. There is no standard answer to the cooking time of zongzi. If you cook zongzi in an ordinary pot, it will take at least two hours, otherwise the rice inside will be difficult to cook thoroughly. Different containers and firepower will affect the ripening time of zongzi. If water is needed during cooking, boiling water should be added instead of cold water.

2. Zongzi, or Zongzi Zan, is a kind of Zan, also known as "Jiaoshu" and "Zongzi". It is steamed with glutinous rice wrapped in zongzi leaves and is one of the traditional festival foods of the Chinese nation. Zongzi appeared before the Spring and Autumn Period and was originally used to worship ancestors and gods. In the Jin dynasty, zongzi became the food of the Dragon Boat Festival.