Autumn and winter is the season of high incidence of respiratory diseases, especially for patients with a history of chronic respiratory diseases, they should pay special attention to the protection during this period to prevent the attack and aggravation of the disease. For patients with chronic obstructive pulmonary disease, one acute exacerbation will result in a plummeting of the patient’s lung function, and the quality of life will be significantly affected. After autumn, the weather turns cool, first of all, we should change clothes in time to prevent cold. Second, eat and live regularly, drink more water, and eat more fresh vegetables and fruits. In winter, the air is dry, the protective function of respiratory mucosa will be reduced, and it is easy to catch cold and cough, so we should add more water and vitamins to the respiratory tract. You can appropriately increase the familiar lung nourishing products, such as pear, water chestnut, loquat, silver fungus, lotus seeds, lotus root and so on. For people with a cold system, pears and water chestnuts should not be eaten raw. Again, the most important thing is to improve immunity through exercise. Including physical exercise, such as swimming, jogging, walking; breathing exercise, such as lip reduction breathing, abdominal breathing, breathing exercises, you can search the Internet, will search for a variety of body breathing exercises, you can choose the appropriate breathing exercises according to their physical ability, from simple to difficult to adhere to the practice; cold exercise, such as cold water washing face, get up in the morning before going out to wash the face, and so the face, especially around the nose and mouth heat before going out; traditional physical exercise, such as the eight-danjin, taijiquan, etc., with breathing exercises. The key to any kind of exercise is to be persistent.