1, to prevent exercise allergies In addition to the seriousness of the disease, should be appropriate exercise, do whistling exercises, taijiquan, practice qigong, can enhance the body’s ability to resist disease, promote disease stability and improvement. Winter exercise, especially in the half hour after strenuous exercise, prone to sports allergies. Six to eight percent of athletes have had exercise allergies during winter outdoor exercise. Elderly people and women are more likely to have exercise allergic reactions. Because exercise can cause changes in the oxygen uptake of cells in the body, cold air stimulates the skin, skin receptors conduct to the hypothalamus, and the pituitary gland governed by the hypothalamus will regulate the endocrine function, so that the body secretion of histamine and endorphins increase and induce allergies. In winter, when the weather changes drastically, outdoor exercise can be suspended for 2 to 3 days and replaced by indoor activities; before exercise, prepare for activities to improve the body’s ability to adapt to the cold; exercise to control the amount of exercise, generally should not be strenuous exercise; exercise 1 to 2 hours before the best do not eat, which helps to reduce the occurrence of sports allergies. 2, avoid excessive temperature difference The room is hot and stuffy because of heating, poor air circulation, and increased temperature difference between inside and outside, which is an important cause of winter colds. Therefore, it is recommended that the winter room should not be too hot, air conditioning, heating to open appropriate, and pay attention to the use of exhaust fans or open windows and other timely temperature adjustment, so that indoor air to keep fresh, indoor and outdoor temperature difference is not too large. At the same time, in and out of the room, to add or remove clothes in time to adapt to environmental changes, to prevent disease. 3, limit smoking, improve the environment Smoking is an important cause of bronchitis chronic bronchitis, smoke to the surrounding population will also bring harm, should vigorously promote the dangers of smoking, to educate young people to eliminate smoking. At the same time, strengthen personal hygiene, including sports, whistling and cold exercise, in order to enhance physical fitness, improve the ability to resist disease, prevent colds, and prevent the recurrence of disease. Improve environmental health, deal with “three wastes”, eliminate air pollution.