The quantitative classification management of food safety in catering service is implemented to establish a strict long-term mechanism for food safety. At that time, all restaurants, canteens and other catering units will hang a unified "food safety grade publicity board for catering services", so that the public can check the hotel's publicity board before eating, so as to know the food safety of the hotel. The quantitative grade is divided into dynamic grade and annual grade, in which the dynamic grade is the evaluation of the food safety management status of catering service units by the regulatory authorities every time, and it is divided into three grades: excellent, good and average, which are represented by three cartoon images of laughing, smiling and flat face respectively; The annual grade is the comprehensive evaluation of the supervision and inspection results of the food safety management status of catering service units in the past 12 months by the regulatory authorities. It is divided into three grades: excellent, good and average, which are represented by the letters A, B and C respectively.

The core mechanism of food safety traceability of Zhenghang Software is built on the innovative development platform of Zhenghang CAP. The platform of Zhenghang CAP is a platform-based software developed through the new generation of information technology, which can be combined with various hardware interfaces (such as RFID and handheld PDA) to realize the traceability of food from the production source to the circulation link. It is the main regulatory measure to solve food safety problems. Its characteristics lie in the stability and expansibility of the platform, and it can be quickly introduced into the process operation according to the characteristics of various foods, realizing both producers and consumers.