Clinical symptoms of early-stage chronic obstructive pulmonary disease (COPD) are easily ignored by patients: chronic cough, chronic cough + (shortness of breath when climbing stairs, feeling short of breath when walking fast and flat, shortness of breath after activity, etc.), and patients should pay more attention to their clinical symptoms if they have chronic rhinitis/allergic rhinitis, chronic bronchitis, family history of COPD, etc. If the above symptoms appear, they should go to the outpatient clinic to find a physician to confirm the diagnosis or do further Patients with these symptoms should go to the clinic for confirmation or further tests such as pulmonary ventilation function test, NO measurement, and chest X-ray or CT examination if necessary. If COPD is not clearly diagnosed by the above tests, the clinician should perform a clinical evaluation and consider whether to intervene with inhalation preparations based on the patient’s clinical presentation! After extensive clinical observations, early clinical intervention (herbal +/- inhalation preparation) in patients with mild to moderate early COPD can stabilize the patient’s lung function, improve the quality of survival and improve the prognosis!