Moon cakes are one of the most famous traditional snacks of the Han nationality and are a custom eaten during the Mid-Autumn Festival. Among them, Cantonese-style, Beijing-style, Soviet-style, Chaozhou-style, and Yunnan-style mooncakes are loved by people from all over the north and south of China. Mooncakes are round and round, and are eaten by the whole family, symbolizing reunion and harmony. They are a must-eat on the Mid-Autumn Festival. In ancient times, mooncakes were eaten as sacrifices during the Mid-Autumn Festival. It is said that the custom of eating mooncakes during the Mid-Autumn Festival began in the Tang Dynasty. During the Northern Song Dynasty, it was popular in the court, but also spread to the people. At that time, it was commonly known as "small cakes" and "moon balls". By the Ming Dynasty, it had become a common dietary custom shared by all people. Today, there are more varieties and flavors vary from place to place.