Pinghe Code is a leading catering SAAS service provider in China. Against the background of famous government chefs, the back kitchen of catering service units is moved from the background to the front desk through smart screens, eliminating information asymmetry between departments, catering service scope and the public. Barriers, guide the public to directly participate in food safety, allow consumers to supervise, achieve a fundamental improvement in food safety, and shorten the distance between more catering companies and customers, while relying on big data and accurate advertising operations to create additional income, and help The government upgrades the smart supervision system, expands the scope of digital supervision, strengthens the hardware and software configuration of the project, improves the supervision efficiency, reduces the input cost of bright kitchens and bright stoves, improves the hygiene level of catering stores, realizes national supervision, and social co-governance.