With the onset of winter, the temperature drops further, the temperature difference between morning and evening increases, and special groups of people, mainly the elderly, children, maternity, chronic respiratory diseases and other systems of chronic diseases, tumor patients, are more susceptible to feeling in the current season. And “cold is the source of all diseases”, if not pay attention to prevention, very easy to complicate bronchopneumonia, acute myocarditis, acute nephritis and other diseases, and a variety of chronic diseases are also very easy to cold-induced aggravation of the original disease, therefore, remind these people must pay special attention to prevention. Most of the colds are caused by viral infections due to inadvertent exposure to wind and cold caused by a decrease in the immune resistance of the body, such as headache, nasal congestion, runny nose, sore throat, body aches and weakness, or fever, cough, vomiting, abdominal pain and diarrhea. For the virus, Western medicine has no specific drugs, and at this time does not need to use antibiotics immediately, but from the clinical point of view, many patients mostly self-take a variety of antibiotics, not only ineffective, but easy to produce induced resistance, and even the phenomenon of super bacteria, so do not abuse the cold antibacterial. Traditional Chinese medicine not only has immunomodulatory effects, but also has good antiviral effects. If used correctly, it can not only obtain good therapeutic effect, but also achieve the combination of prevention and treatment, and enhance the role of the body’s immunity. Generally, the early stage of cold is mostly wind-cold external sensation, mostly manifesting heavy fear of cold, light fever, headache and body pain, stuffy nose and runny nose, sore throat, mild cough, etc. At this time, it can be treated with Jing Fang Da Table Tang, and those who feel cold heavily in winter can be treated with Ma Huang Tang, and those who have dampness can be treated with Jiu Wei Qiang Wu Tang; while for wind-heat cold (people with strong Yang and fire are easy to appear), manifesting heavy fever (more than 38.5 In winter, it can form external cold and internal heat, so it can be treated with mahogany shigang tang and huagai san, and those with dampness can be treated with chicken su san; for the elderly and children with weak body colds, the symptoms of qi deficiency and wind can often appear, so it can be treated with the method of benefitting qi and dispelling wind and relieving symptoms, with representative prescriptions such as For maternal colds, most of them appear to be deficient in yang energy and cold, so they can be treated with Gui Zhi Xin Jia Ginseng Tang or Ma Huang and Fengshen Tang; for those who have various chronic diseases and inadvertently catch colds, they should be treated separately for different deficiencies of qi, blood, yin and yang, which can often achieve satisfactory results. Following the preventive thought of “treating the untreated disease” in Chinese medicine, the above people can combine with the seasonal characteristics of the current season and adopt positive countermeasures to prevent the disease before it happens. For the elderly, children due to weak constitution, easy to feel the wind cold cold, so you can use the following meals for symptomatic prevention: (1) astragalus anti-flu tea: take 30 grams of astragalus, 10 grams of wind, 5 grams of fresh ginger, washed and dried, placed in a cup of boiling water with boiling water steeped for 30 minutes, drink in portions as tea, has a beneficial effect on the wind and anti-flu; (2) ginseng and sage porridge: take 30 grams of ginseng, sage (2) Party ginseng and Su Ye porridge: take 30 grams of party ginseng, 10 grams of Su Ye, 10 grams of ginger, wash and wrap with gauze, boil with 200 grams of round-grained rice to make porridge, remove the medicine bag and consume, take twice a day, with beneficial effects of dispelling wind, dispersing cold and preventing sensation. For maternity due to the postpartum qi and blood injury, very easy to feel cold disease, so you can use the following remedies for symptomatic prevention: (1) Gui Zhi Dang Ginseng Tea: take 10 grams of Gui Zhi, 30 grams of Dang Ginseng, 5 grams of white onion, 10 grams of jujube, 10 grams of fresh ginger, washed and dried, placed in a cup of boiling water with boiling water for 30 minutes, plus the right amount of brown sugar, mix, and drink as tea, with the effect of tonifying qi and blood, dispel wind and prevent sensation. (2) astragalus and angelica porridge: take 30 grams of astragalus, 10 grams of angelica, 5 grams of cinnamon, 10 grams of fresh ginger, 10 grams of red dates, wash and wrap with gauze, boil with 200 grams of japonica rice to make porridge, remove the bag, can be eaten, served twice a day, with the effect of tonifying the qi and blood, warming and dispersing wind and cold. For a variety of chronic weakness of the original disease, due to the weakness of the internal organs, in the winter is easy to feel cold attack, should actively use the following medicine to prevent: (1) astragalus thornbush tea: take astragalus 30 grams, thornbush 10 grams, fresh ginger 10 grams, washed and dried, placed in a cup of boiling water with boiling water for 30 minutes, plus the amount of brown sugar, mix, and drink as tea, with the benefit of the lung gas, dispel wind and prevent sensation effect. (2) Huang Jing Dang Ginseng Porridge: take 40 grams of Huang Jing, 30 grams of Dang Ginseng, 10 grams of fresh ginger, 10 grams of red dates, wash and wrap with gauze, boil with 200 grams of round-grained rice to make porridge, remove the medicine bag, ready to eat, take 2 times a day, has the effect of nourishing the spleen qi, dispersing cold and preventing sensation, suitable for people with spleen qi deficiency; (3) Angelica dahurica and ginger drink: take 10 grams of Angelica dahurica, 15 grams of leaves, 20 grams of fresh ginger (3) Angelica dahurica, 15 grams, 20 grams of fresh ginger, washed and dried, put in a cup of boiling water and soaked in boiling water for 30 minutes, plus the amount of brown sugar, mix well, drink as tea, with warm stomach and cold, and stomach vomiting effect, suitable for people with cold stomach and cold, easy to vomit and diarrhea gastrointestinal type of cold prevention; (4) Pith stew dog meat: take 3 grams of pith, 10 grams of fresh ginger, wash and wrap with gauze, and dog meat (50 grams) (5) For people with internal fire and weak body susceptibility, they should use the flat medicine to prevent deficiency and prevent fire, for example, these people can use princely ginseng Su Ye, Yu Zhu and Rhodiola stew tea: take 30 grams of prince’s ginseng, 10 grams of Su Ye, 15 grams of Yu Zhu and 30 grams of Rhodiola, wash and dry them, put them in a cup of boiling water and soak them in boiling water for 30 minutes, add the right amount of brown sugar, mix them well, and drink them as tea, which has the effect of both qi and yin, strengthening the body, dispelling the wind and preventing sensation, and is suitable for people who have a strong internal fire and are weak and susceptible to prevention. Of course, the above-mentioned people should always pay attention to climate change in winter, do not go to densely populated places, the living room should be kept frequently ventilated, and to ensure good sleep, avoid overexertion, etc. is also important for the prevention of the feeling.