Pingxiang chef operates a three-mouth pot by himself. According to the relevant public information, the chef can stagger the cooking time, operate other pots when stewing, put oil in the first pot, and put vegetables in the second pot when the oil is hot. At this time, the third pot can be fried. Pingxiang, a prefecture-level city in Jiangxi Province, is an important member of the middle reaches of the Yangtze River, located in the west of Jiangxi Province. Pingxiang chefs earn 6000-8000 yuan a month.