The traditional casserole is a kind of pottery. The invention of pottery is an epoch-making symbol in the history of human social development, and also the greatest invention of human development. It is said that Emperor Yao invented the casserole, which has a history of thousands of years.

Archaeological findings show that as early as the Neolithic Period, people began to use sanded pottery (similar to casserole). Sanded pottery is a common pottery made in the Neolithic Age, mainly red pottery and gray pottery. After years of improvement, the sanded pottery has become our casserole.