1, when the temperature is high, try to reduce going out or doing a lot of exercise, so that the body loses water too quickly. If you can't replenish water in time, it is very dangerous. Office workers should pay attention to replenish water at any time. It is best to drink fresh boiled water or light salt water and drink less iced drinks. In addition, eat more fresh fruits and vegetables rich in vitamins, especially watermelon and wax gourd.

2. Prevent colds and digestive tract diseases. Dog days are the high incidence of colds, especially in air-conditioned rooms or when blowing electric fans for a long time, there will be cold symptoms such as coughing, sneezing and runny nose. It is recommended not to stay in the low-temperature air conditioner for a long time, try to open the window for ventilation when sleeping at night, and dry the sweat before the elderly enter the air-conditioned room.

It's sultry and humid in dog days, and the air pressure is low. Bacteria and molds multiply quickly, so special attention should be paid to food hygiene. Summer is the season with frequent gastrointestinal diseases. If people with deficiency and cold constitution are added, they will be more vulnerable to the virus. Such people try not to eat more cold food. Because ice cream, ice cream and other cold drinks contain cholesterol, sugar and starch, eating cold drinks affects normal appetite and aggravates diarrhea.