Consciousness + other law, morality + law. Operators should have a conscious awareness of environmental protection and abide by it as a moral code; there should be external constraints, such as the constraints of customers, the industry, the relevant departments of the supervision, the same applies to the regulations of some local food service industry; the hardware and facilities to keep up. Various types of garbage recycling and disposal devices, like garbage cans with lids, trash garbage cans, insect and mosquito fly and rodent prevention measures; the general environment. The most important thing is the strength of external constraints, food and drug supervision and law enforcement investigations and penalties, as well as the local garbage transfer is timely, the overall environment is clean and orderly.