China's catering industry food waste is serious, urban catering alone annual food waste of 170 billion kilograms to 180 billion kilograms. After the banquet, a large number of leftovers were thrown away, online food orders were thrown.

away directly if they were not on the right board. Anchors made "dark dishes" to get traffic, as long as it is eye-catching enough to attract traffic. The National Development and Reform Commission and relevant departments have studied and drafted the "Announcement on Preventing and Reducing Catering Waste"