Shenzhen's return to the south usually occurs between the end of February and the beginning of March every year. It is necessary to prevent humid air from entering the room, raise the room temperature, prevent skid, keep healthy, do personal protection and pay attention to food safety.

1, Moisture-proof air into the house: During the return to Nantian, close the doors and windows as much as possible to reduce indoor and outdoor air exchange and prevent moisture from entering the room.

2. Raise the room temperature: make the indoor and outdoor temperatures consistent as soon as possible, so that the humid air can't condense water droplets. You can use the dehumidification function of electrical equipment such as air conditioners to reduce indoor humidity.

3. Anti-skid: Because the ground is slippery and easy to fall, anti-skid measures should be taken in corridors, corridors and other public places.

4. Keep healthy: During returning to Nantian, due to the high humidity, it is easy to cause various diseases, such as respiratory diseases, rheumatism and skin diseases. It is necessary to strengthen health care, eat more fresh fruits and vegetables and ensure adequate rest.

5. Personal protection: During returning to Nantian, the skin needs to be kept dry, and fungi grow fast, which is easy to cause fungal infection and eczema and other skin diseases. At this time, pure cotton underwear or socks are healthier, and underwear and socks should not be too tight. Change and clean in time after sweating.

6, pay attention to food safety: during the return to Nantian, food is easy to deteriorate, and the chopping board is easy to get dirty. Eat less raw and cold food, and pay attention to food hygiene and safety.