Chronic bronchitis is often clinically manifested as coughing, coughing, or with shortness of breath, wheezing, etc. Serious cases can be complicated by emphysema, pulmonary heart disease, etc. The disease is a common disease of the middle-aged and elderly in winter, according to statistics, the incidence rate of middle-aged and elderly people over 50 years old in China is about 15% to 30%, the winter climate is dry and cold, prone to respiratory tract infections, resulting in “old slow branch The “recurrence, therefore, safe winter health care is particularly important. 1, absolutely quit smoking and alcohol: Cigarette smoke can make the bronchial epithelium damaged, cilia off, resulting in reduced lung defense function, aggravating respiratory tract infections, triggering acute attacks. And alcohol can produce moisture and accumulate phlegm, stimulating the respiratory tract and aggravating the condition. 2, appropriate exercise: physical exercise can enhance physical fitness, improve the body’s immunity and adaptability to climate change. Exercise intensity can vary from person to person, in order not to feel tired, comfortable, but also breathing exercises, chest expansion exercises, abdominal breathing and other training. 3, emotional stability and optimism: to have a balanced psychology, often maintain a stable mood, the spirit should be happy and optimistic, avoid the stimulation of tension, anxiety, depression and other undesirable factors, establish confidence to overcome the disease, and actively cooperate with treatment to promote recovery from the disease. 4, scientific diet: diet should be mainly to strengthen the spleen and appetite, light, warm and soft, eat more vitamin-rich, trace elements, high-quality protein food, such as mutton, dog, fish, eggs, soy products, fresh vegetables, fruits, dried fruits, etc.. Forbidden to eat salty and spicy, dry and hot things. 5, reasonable use of drugs, prevention and treatment: “old slow branch” in remission should be to maintain health and fitness, enhance the body’s ability to resist disease. To take Chinese medicine under the guidance of the doctor, in the acute attack period should control the infection, the reasonable use of antibiotics. Bedridden patients should take timely measures to remove sputum to prevent obstruction of the trachea and cause secondary infection. 6, pay attention to the prevention of colds: colds are the cause of many diseases, “old slow branch” is no exception. According to statistics, more than 90% of patients with “old slow branch” can cause acute attacks after catching a cold. Therefore, it is important to prevent colds. To strengthen the cold exercise, adhere to the cold water wash face, this method to enhance the body’s ability to resist cold, prevent the occurrence of colds have a good role. 7, improve the living environment: the living room should be quiet, hygienic and clean. No smoke pollution, sunlight to be sufficient, regularly open doors and windows, keep the air fresh, and to have good temperature and humidity. Temperature is not easy too high or too low, preferably controlled between 16 ℃ -20 ℃, relative humidity at about 45%. Do not keep pets indoors.