The cold weather in winter is a good season for colds, especially in public places and schools, kindergartens and other institutions where children live, more attention should be paid to prevent the occurrence and prevalence of respiratory diseases such as colds. Parents, in order for their children to successfully pass the winter, to do the following: 1, a reasonable diet winter is the high incidence of colds, a reasonable diet can increase the body’s ability to resist disease. Breast milk is not only the best food for children’s physical and intellectual development, it contains several immunoglobulins that have a protective effect on the respiratory mucosa and can reduce the occurrence of respiratory diseases. In addition to breastfeeding, according to the needs of the child’s growth and development, should be added in a timely manner, supplemented with vitamin-rich foods, such as fresh fruits, vegetables, eggs and fish and meat, balanced nutrition, prevent partiality and picky eating, to prevent vitamin and trace element deficiencies to reduce the resistance of the child’s organism, appropriate amount of water to prevent respiratory dryness, in order to reduce the occurrence of respiratory diseases. 2, adhere to outdoor activities Some parents are afraid of children freezing, the weather is cool, do not let children out of the house, children’s respiratory tract for a long time do not receive the stimulation of the outside air, do not get cold exercise, contact with cold patients, because of poor resistance to pathogenic bacteria, easy to disease. Therefore, we should insist that children do outdoor activities, cold weather can choose sunny, windy time, let children in the nature activities for half an hour to an hour, can improve the physical fitness of children. 3, regular ventilation winter is a high incidence of respiratory infections, winter due to heating, resulting in a large temperature difference between indoor and outdoor, more prominent in the north, high indoor temperature, relatively low humidity, coupled with closed windows and doors, poor indoor air circulation, indoor microbial density is high, some pathogenic bacteria and viruses are prone to attack children’s bodies. Therefore, even in the cold winter months, it is necessary to open the windows regularly to increase indoor humidity. If the indoor temperature is too high, you can put a wet towel on the heater, or put a basin of water next to the heater. 4, reduce the chance of pathogenic infections. Winter is the epidemic season for respiratory infections, parents should try to avoid taking their children to crowded public places, such as movie theaters, party places, large shopping malls, etc. 5, pay attention to keep warm. Especially after children play and sweat, to do a good job of cold and warm. 6, enhance the body’s resistance to disease. When winter comes, you can consciously supplement some vitamin drugs, or oral Chinese medicine and inject some vaccines, anti-serum, to prevent the occurrence of colds. Such as astragalus tea prevention method: take 10 grams of astragalus, 6 grams of atractylodes, 6 grams of wind, umeboshi 1 into the insulation cup, boiling water for 10 minutes, when the tea drink and serve, drink and then pour boiling water, a day a dose, not only can prevent the cold, but also enhance the ability to resist disease.