As the saying goes, "Food is the most important thing for the people", which shows the important position of diet in human life. With the development of social productive forces and the continuous improvement of people's economic life, dietary customs are constantly changing and enriching.

Dietary folklore is generally manifested in two aspects: daily life diet and etiquette diet. The former is to meet the needs of human life, mainly including diet structure and the number and time of eating a day; The latter is based on social needs such as etiquette, including seasonal food, ceremonial food and religious offerings.

Dietary folklore has great stability, and some dietary customs are hard to change after being passed down, such as three meals a day, Yuanxiao on the fifteenth day of the first month, Zongzi on the Dragon Boat Festival in May, and moon cakes on the Mid-Autumn Festival. It is still circulating today. In dietary customs, some customs reflect the fine tradition of our people to respect the old and love the young.

Qingdao people should invite older people to eat first when new grain comes on the scene and melons and fruits come on the market. This is called "early tasting". When eating, the elderly "sit first" and good food "use chopsticks first". If children move chopsticks first, adults will scold them for not knowing the rules. In some villages, the custom that the daughter-in-law gives the first pot of cakes to her in-laws who live alone when the new wheat comes on stage has become an important part of China's "filial piety".