If the cold has not yet occurred, only the surrounding people have a cold, this time need to pay attention, generally do not recommend the use of drugs, is the medicine three points of poison, even if the cold antidote, its impact on the spleen and stomach. You can prevent colds through preventive measures, as follows: 1, try not to stay up late, pay attention to rest; 2, pay attention to the surrounding environment moist, drink more hot water, cups of hot steam placed in front of the mouth and nose, the inhalation of hot steam has a greater protective effect on the mucous membrane. If the water is properly added with vitamin C, it can stabilize the cells and improve immunity; 3, not to rush to fire, must be treated calmly to prevent internal heat in the body; 4, try not to eat spicy diet, if accidentally eaten, it is recommended to drink a lot of water to neutralize.