Green face and smiling face are good, yellow face and flat face are average, and red face and crying face are poor. Catering Facebook has covered more than 71% of the catering enterprises in this city on the platform of the US Mission, and * * * is about 57,111. This is also the first application of regulatory data empowerment network catering platform in China. With the rise of online catering industry, the food safety and hygiene status of stores often becomes the same demand of consumers.