2. Moon cakes, also known as moon cakes, cookies, harvest cakes, reunion cakes, etc. , is the seasonal food of Mid-Autumn Festival. Moon cakes were originally used as offerings to worship the moon god. Sacrificing the moon is a very old custom in our country, and it is actually a worship activity of the ancients to the moon god. Today, eating moon cakes and enjoying the moon in Mid-Autumn Festival is an essential custom in all parts of China. Mooncakes symbolize a happy reunion. People regard them as holiday food, use them to worship the moon and give them to relatives and friends.