1, don't be too full.

The freezer in the supermarket should not be too crowded to store food, and it is best to leave a certain gap, which can make the air convection normally and reduce the load of the unit. Moreover, too many foods are crowded together, which can easily lead to cross-infection of bacteria between foods, leading to various discomforts and diseases in human body.

2. Meat food processing.

When buying some fish, pork, beef and other foods, it is best to carry out some corresponding treatment before putting them in the freezer of the supermarket. Foods such as fresh fish and meat are best packed in plastic bags before they are put into the refrigerator. Vegetables and fruits should be dried and put into the bottom of the supermarket freezer, and stored at zero temperature.

3. raw and cooked food can't be put together.

Supermarket freezers have different requirements on the storage time and temperature of raw food and cooked food. There are various parasites and bacteria in raw food. Drinking cooked food together will pollute cooked food. At the same time, don't put the food directly on the surface of the evaporator, but put it in a vessel to avoid freezing on the evaporator and inconvenient to take out.