The cheese, which was originally the first of the minorities of the North, and which was also known as tungsten, cheese, cheese and so on, is a semi-condensed food made of cow and goat milk, which is rich in nutrients and is ready to enter. Cheese was a treasure for royal food in the court of Yuan, Ming and Qing Dynasty. Old Beijing cheese is a famous snack that has to be made of rice wine, and the family has its own rice wine, which took a long time to make cheese, and it worked well。