Cold is a common and frequent disease in life, especially in winter, when the temperature is low and unstable, people can get a cold if they are not careful. However, through reasonable measures, it is possible to prevent the number of cold attacks. 1, pay attention to climate change, prevent external evil attack lung In winter should be based on the law of climate change in the region, pay attention to listen to and watch the weather forecast program, when the weather changes abnormally, to change clothes and blankets in a timely manner, pay attention to the cold temperature appropriate, pay attention to the cold to keep warm, in the climate of hot and cold changes at any time to increase or decrease clothing, avoid cold and rain and excessive fatigue, can reduce the occurrence of colds. 2, a reasonable diet, improve the ability to resist disease A reasonable diet can increase the body’s ability to resist disease. In winter, eat more mutton, goose, duck, beans, walnuts, chestnuts, fungus, sesame, sweet potatoes, radish and other foods, can improve the body’s resistance. The appropriate amount of water to prevent respiratory dryness can reduce the occurrence of respiratory diseases. Avoid eating excessively greasy, sticky, sour and fishy and stimulating food. 3, pay attention to ventilation, reduce the chance of infection In winter, due to heating, resulting in a large temperature difference between indoor and outdoor, more prominent in the north, the indoor temperature is high, humidity is relatively low, coupled with the windows and doors closed, poor indoor air circulation, indoor microbial density is high, some pathogenic bacteria and viruses are easy to infest the body. Ventilation is a good method for indoor disinfection in winter, while during the flu epidemic, you can simply disinfect the room by yourself. Vinegar fumigation method is a simple and cheap method. 10ml of vinegar is used per cubic meter of space, add 2 times of water, and then heat and fumigate for 2 hours after dilution, once a day or every other day, to disinfect the air to reduce the chance of infection. 4.Appropriate physical exercise, enhance physical fitness Physical exercise can relax the muscles and bones, smooth blood, enhance physical fitness, improve the body’s resistance. Adhere to physical exercise, such as walking, running, climbing, playing ball, boxing, etc., can enhance physical fitness, improve the body’s ability to resist the cold, to prevent the occurrence of colds. When the weather is cold, you can choose the time when there is enough sunlight and less wind, and you can spend half an hour to an hour in nature to enhance your body, improve your immunity and reduce the occurrence of colds. In abnormal weather, it is appropriate to exercise indoors. 5, Chinese medicine prevention, reduce the cold Chinese medicine has certain characteristics in the prevention of colds. According to years of experience, the respiratory department of Xiyuan Hospital of the Chinese Academy of Traditional Chinese Medicine has actively applied Chinese medicine to achieve better results in preventing colds. Prescription 1: Radix Codonopsis Pilosulae 9g, Pericarpium Citri Reticulatae 9, Radix Glycyrrhiza Uralensis 6g. Function: Benefiting Qi and consolidating the surface. Indications: Those who are prone to shortness of breath, fatigue, sometimes sweating and intolerant of cold and heat. How to take: Brew water as tea. Alternative Traditional Chinese Medicine: Yu Ping Feng granules, etc. Prescription 2: Chrysanthemum 9g, honeysuckle 9g, licorice 6g. Function: Clearing heat and detoxifying. Indications: Redness of the face, dryness and pain in the oropharynx and nose, slightly dry stools and yellow urine. How to take: Brewed water as tea. Alternative Chinese medicine: Jinlian Qinghe granules, etc. Prescription 3: Radix Platycodon 9g, Pericarpium Citri Reticulatae 9g, Radix Glycyrrhiza Uralensis 6g. Function: Relieving cough and resolving phlegm. Indications: People who are prone to cough and phlegm, with a past history of chronic bronchitis in the elderly. How to take: Brewed as tea. Alternative Chinese medicines: Gu Ben cough and asthma tablets, etc. When applying Chinese medicine for prevention, it is important to differentiate different situations and choose Chinese medicine prescription for prevention according to the time, place and person. The elderly and children should take it in reduced dosage under the guidance of physicians; patients with chronic diseases and women during menstruation and after delivery should use it with caution; pregnant women are prohibited. Generally take it for 3-5 days. If you feel unwell after taking Chinese medicine preventive prescription, stop taking the medicine immediately and consult your physician promptly; it is prohibited for those who have a history of allergy to the drugs in Chinese medicine preventive prescription; use with caution for those with allergy.