Chronic respiratory diseases have always been among the top disease mortality rates in the country, with chronic obstructive pulmonary disease (COPD) being the most harmful. Statistics from the Ministry of Health once showed that chronic respiratory diseases ranked fourth in the mortality rate of diseases in urban areas, and were the number one disease killer in rural areas. In China, the number of deaths each year amounted to 1 million, the number of people with disabilities is as high as 5 million to 10 million. When the fall and winter seasons change, it is the peak of the incidence of chronic obstructive pulmonary disease (COPD). Remind everyone that prevention is the mainstay of COPD, so as to prevent the disease from occurring in the first place. 1, keep the indoor air fresh, open the windows regularly ventilation; indoor air disinfection on a regular basis, such as fumigation vinegar, etc.; to avoid the stimulation of smoke and dust, smokers advised to quit smoking, improve the living environment. 2, every day planned physical exercise, such as walking, running, etc., in order not to feel fatigue appropriate. During the period of relief, strengthen the breathing exercise, such as abdominal breathing exercise, the method is: inhale through the nose, exhale through the mouth. When exhaling, the lips of the mouth shrink together (into a fish mouth type), and use the hand to press the abdomen, so that the gas is exhaled. Using deep and slow breathing, frequency 8-10 times / minute, exercise several times a day, 10-20 minutes each time, generally 2-3 months after the ventilation function can be improved. 3, in the cold season or sudden change of climate, pay attention to keep warm, prevent cold and flu, prevent respiratory infections; enhance physical fitness, cold-resistant exercise. 4, strengthen oral care chronic obstructive pulmonary secondary fungal infection is very easy to complicate oral fungal infection. Usually, 2% sodium bicarbonate solution can be used to gargle 3-4 times a day; if there are white spots or ulcers in the oral cavity, can be combined with the application of mycobacteria plus Keselu coated in the affected area, 2-3 times a day. 5, positive psychological adjustment Patients with chronic obstructive pulmonary disease have different degrees of psychological disorders, such as irritability, anxiety, depression or loss of confidence in treatment. If the secondary fungal infection, fever, sputum with blood and other phenomena, will further aggravate the psychological barrier. Healthcare workers and family members should be concerned about and considerate of the patient, and help the patient eliminate anxiety, nervousness, irritability and depression, in order to cooperate with the treatment. 6, pay attention to diet and nutrition Chronic obstructive pulmonary disease is a chronic consumptive disease, secondary fungal infection will aggravate the nutritional consumption, in order to cope with this situation, the loss of appetite should be given to digestive drugs to enhance the appetite; at the same time, it is recommended that the patient ingests easy to digest, high protein, high calorie, high vitamin food. If protein malnutrition already exists, a certain amount of intravenous albumin should be given to help improve the general nutritional status.