It's expired. Moon cakes, also known as moon cakes, harvest cakes, reunion cakes, etc., are one of the traditional Han delicacies in China. Moon cakes were originally used as offerings to worship the moon god. Sacrificing the moon is a very old custom in China. In fact, it is a kind of worship activity of the ancients to the moon god. Eating moon cakes and enjoying the moon in the Mid-Autumn Festival is an indispensable custom in the northern and southern parts of China. Moon cakes symbolize a happy reunion. People regard them as holiday food and use them to sacrifice the moon and give them to relatives and friends.