Self-check whether you have chronic obstructive pulmonary disease mainly from two aspects, the first aspect is mainly to see whether the patient belongs to the high-risk group of chronic obstructive pulmonary disease, belongs to the high-risk group of chronic obstructive pulmonary disease: 1, middle-aged or above, generally the older the risk of chronic obstructive pulmonary disease will be greater; 2, smoking, the longer the age of the cigarette, the more smoking, the greater the risk of the disease; 3, long-term contact with the kitchen fumes of the population; 4, in the work of production long-term exposure to mineral Dust, such as coal, cement, aluminum, silicon, asbestos, etc.; 5, living environment for long-term severe air pollution. On the other hand, if you have symptoms of chronic obstructive pulmonary disease, such as recurrent coughing, coughing more in the morning, coughing during the day, recurrent episodes, white sticky phlegm that is not easy to cough up, taking a large number of cough suppressants, phlegm medicines, and even antibiotics, the symptoms do not have any significant relief, and there is dyspnea, for example, before, you could climb up to three floors in one breath, but now you feel dyspnea when you go up a few steps, and you even feel a little bit laborious to do your household chores. Even doing housework feels a bit laborious. Taking all these factors into consideration, if you are at high risk of developing chronic obstructive pulmonary disease (COPD) and have chronic cough, sputum and dyspnea, you may have COPD and are advised to go to the hospital for diagnosis and treatment as soon as possible.