Crock snacks have a history of more than 2000 years. The use of special clay pots is beneficial to environmental protection and health. Crock snacks have a history of almost two or three thousand years, because in the Spring and Autumn Period of Lu in China, that is, the Spring and Autumn Period and the Warring States Period, some corresponding practices, types and tastes of crock snacks have been recorded. So if it has been passed down to this day, it will take more than 2,500 years according to the shortest time, so it should be more than 2,000 years.