standardize six requirements for outdoor food stalls, including "the operators of food processing must hold the Personal Health Examination Certificate". Business households should be equipped with food processing operation places and dining areas with basic fly-proof and dust-proof facilities, and equipped with trash cans, which should be covered, sealed, leakproof and easy to clean; During the operation of catering food, the processing personnel must wear hats, special gloves and sanitary overalls, etc., and also stressed that the business premises should be more than 25 meters away from pollution sources such as sewage pools, garbage dumps and dry toilets, and set outside the influence range of dust, harmful gases, radioactive substances and other diffuse pollution sources.

According to the textual research of the court menu found in the Southern Song Dynasty, even meat is not available in the palace every day. Sometimes, the court attendants pay for their own meals and invite emperors, nobles and ministers. All of a sudden, it became an atmosphere. Because it is taking turns to treat guests and queuing up for duty, it is called "queuing". At the beginning, of course, I paid for it myself or found a place to submit an expense account. When I arrived in Song Lizong, I began to get it from the treasury of the central and all levels of finance. At that time, Guangdong's manager Chen Zongli was transferred to the Privy Council to sign the contract, that is, from the commander of the military region to the high command as a senior assistant. Seeing this "corruption" phenomenon, he was very dissatisfied. He said that the lower level invited the higher level to have dinner for two purposes, one was to make some money to eat the difference in reimbursement, and the other was to win over the relationship, so this phenomenon should be banned. But when the report was submitted, there was no result. People who eat and drink look fine, and naturally they eat more vigorously, and they are not limited to the low-level consumption of eating and drinking. Later, "Paidang" was introduced to the people and became a simple, cheap and mass consumption form. Because it is often located on the street, there are a lot of tables and chairs, and at the same time, Cantonese people often call the stalls "stalls" or "stalls", which has further changed into "stalls".