The problem of flies in canteen is an important health and food safety problem. In order to solve the problem of flies in the canteen, the following methods can be considered:

Cleanliness and hygiene: keeping the canteen clean and hygienic is the key. Clean the canteen floor, table top, tableware and kitchen equipment regularly to ensure that there is no residual food or garbage to attract flies.

Close the entrance: check the doors and windows, vents and drains of the canteen to ensure good sealing and prevent flies from entering the canteen.

Garbage management: establish a garbage sorting and garbage disposal system to ensure that garbage and food residues are treated and cleaned up in time. Garbage cans should be sealed, cleaned and replaced regularly.

Use mosquito repellent: put a fly swatter, sticky paper or other suitable mosquito repellent in a suitable position to attract and catch flies.

Eliminate fly habitat: clean up the vegetation, garbage dumps or other places that may become fly habitats around the canteen to reduce the breeding of flies.

Fly net: install fly net or barrier, such as curtains or screens, to prevent flies from entering the canteen area.

Regular patrol inspection: regular patrol inspection, take timely measures when finding the problem of flies, and continue to pay attention to the sanitary situation of the canteen.

It should be noted that the problem of flies may require comprehensive management and sustained efforts to solve. Canteen managers should cooperate with professional health and pest control units, formulate relevant prevention and control programs, and strengthen the health awareness and training of employees.