At present, chronic obstructive pulmonary disease (COPD) is a common respiratory disease among the elderly, and a certain proportion of patients are admitted to the outpatient and inpatient departments. In terms of respiratory medicine, the admission rate of COPD takes the first place, so it is important to take care of patients with chronic obstructive pulmonary disease, mainly including: 1. Preventing cold and flu: It is a very important care measure for respiratory disease, elderly people have poor resistance, and are easy to get cold when the weather changes leading to respiratory tract infection, which may aggravate the condition of COPD. Patients pay attention to keep warm in winter, and in summer the elderly may be afraid of heat, and the duration of blowing air conditioners and fans should not be too long. 2, avoid indoor bacterial infection: in the closed room easily lead to bacterial infection, especially air conditioning, some families have not cleaned and disinfected for a long time, air conditioners contain some bacteria, viruses, etc., easily lead to indoor bacterial infection; 3, promote sputum: when patients have sputum, to promote sputum drainage accordingly The elderly, the smooth drainage of phlegm is very helpful for the prevention and treatment of respiratory diseases. Tapping the back with the hand can achieve the purpose of sputum drainage, the patient if the sputum is sticky, need to cough it out, if you can’t cough it out, you can properly nebulize treatment to promote sputum drainage, nebulized bronchial dilators can achieve the purpose of promoting sputum drainage; 4, vaccination: such as influenza vaccine, pneumonia vaccine are necessary to inject; 5, strengthen nutrition; 6, supervision of smoking cessation: slow obstructive pulmonary mostly caused by smoking, the smoking population The incidence of smoking is more than eight times higher than the normal population, so it is very important to quit smoking, whether in the home or in the hospital environment, to supervise patients must not be able to smoke.