Mid-Autumn Festival (alias: Mid-Autumn Festival, Autumn Night, August Festival, August 30th, English name: Mid-Autumn Festival) is one of the four traditional festivals in China, and the date falls on August 15th of the lunar calendar. Since ancient times, Mid-Autumn Festival has had folk customs such as offering sacrifices to the moon, enjoying the moon, eating moon cakes, playing with lanterns, enjoying osmanthus and drinking osmanthus wine. It has been circulating for a long time. Later, people gradually associated moon viewing with moon cakes, symbolizing family reunion and bearing their thoughts. At the same time, moon cakes are also gifts for friends in the Mid-Autumn Festival.