Mid-Autumn Festival belongs to intangible cultural heritage. Behind culture is a belief, an ancient and modern tradition of remembering ancestors. This tradition embodies the ancient people's thought of "being cautious to the end and pursuing the distance", and its cultural core is to respect the ancestors and do filial piety. The Mid-Autumn Festival reminds people not to forget their ancestors and always remember the roots of the nation through their own activities. July is auspicious month and filial month, and July 30 is a festival for people to celebrate the harvest and repay the earth in early autumn. Some crops are ripe, so people need to worship their ancestors and report Qiu Cheng to them with new rice and other sacrifices. Mid-Autumn Festival is a traditional cultural festival to remember ancestors, and its cultural core is to respect ancestors and do filial piety.