Prevention and care 1. Exercise, enhance physical fitness, more sunshine, more outdoor activities, improve the ability to resist disease. 2. Be hygienic, bathe and change clothes often, increase and decrease clothes at any time according to climate change, and do not get cold or overheated. 3. During the epidemic period, go to public places less often and avoid contact with patients. 4. During the period of illness, drink more water, give an easily digestible diet, and pay attention to changes in your condition at all times. 1. Radish and rice vinegar formula: 250 grams of raw radish and appropriate amount of rice vinegar. Slice radish, add rice vinegar and soak it for 2 hours and then eat it. Take 2-3 times a day, mainly for influenza. 2, white onion porridge: 50 grams of round-grained rice, white onion and sugar. Boil japonica rice first, and when it is cooked, put 2-3 stems of white onion cut into segments and sugar into it. Once a day. Take hot and take with slight sweat. Dispersing cold, harmonizing the stomach and tonifying the middle. Suitable for wind-cold colds. Single prescription 1. 6 grams of ginger, 3 inches of white onion, 4 jujubes, decocted in thick soup with appropriate amount of sugar, take hot and sweat, suitable for the beginning of wind-cold cold. 2. 10 grams of perilla, 10 grams of dandelion, 2 slices of ginger, decoction, suitable for general colds with fever.