Ali's usual food, known as private food, is a home or a writing building with no license plate, no running grounds, no fixed menu, except for a small meal "trade" in which the sole cook has crafts. They will not have any propaganda, but will be passed on by mouth. The history of "specialists' usual food" dates back to the year of the qing dynasty. It was reported that his ancestral son, tan qingqing, his grandfather, was an official and a good drinker, and that his father, tan zhong shuang, had mixed herbs with herbs into herbs. In the middle of the road, tan xiaoqing sits in the mountains, and is supported by the family's specialist, a cook or concubine, who sets up the house three times a night. Adolescence comes from the good tastes of the ancient homeyards, when the high-ranking charlatans, "home-cooked chefs, race-winners", rose above each other's tastes in their life priorities. The combination of their "nominal" and their own chefs has led to the creation of a famous dish, which, because of its uniqueness, has created a speciality. Specialists are not big foods, but "good cooking can cure our country". Its origins are described in two terms, i. E., from the qing qing qing, which refers to food that is made in a very private kitchen of its own, and is non-sectarian. Specialists, i. E., people who are crowded in a place like this, who eat their master's handy food, who sits on the table or eats it, who come out for a few minutes and fights down several times, and who are friends. Many of the dishes actually evolved from the specialists' usual foods, such as tan's, concubine's, some family food. According to another version, it is an extension of the official food. Back in the day, the cooks made the dishes around the word "detailed" and the links were quite complex. When they left the compound, they were living in a private, private household, having an equal level of food and having a cook, especially from the palace, as a symbol of their wealth and identity. Based on the production of official food, these cooks further integrate cooking techniques to suit the taste of their owners. For a long time, it became a category。