Elderly chronic bronchitis is usually caused by viral infection, smoke inhalation, dust inhalation, etc. Patients will have obvious wheezing, shortness of breath, and accompanied by coughing, coughing up phlegm and other symptoms, commonly used drugs to control infection, cough expectorant, asthma medication. 1. Infection control: If the patient is in the acute exacerbation of chronic bronchitis, you can follow the doctor’s instructions to use anti-infection treatment, commonly used drugs are amoxicillin tablets, levofloxacin tablets, etc., when the condition is less severe can be taken orally, and if the condition is too serious can be used intravenously. 2. Cough suppressant and expectorant: if the patient coughs seriously, you can follow the doctor’s instructions to use cough suppressants, such as cotrimoxazole capsules, dextromethorphan oral solution, etc., if there is phlegm, you can follow the doctor’s instructions to use acetylcysteine granules, aminobromine hydrochloride tablets and other expectorant drugs for treatment. 3. Asthma medication: If the patient’s wheezing is serious, the patient can be treated with asthma medication, such as aminophylline tablets, montelukast sodium chewable tablets, etc. The specific medication should be checked at the hospital. Specific medication also need to go to the hospital to confirm the diagnosis, under the guidance of the doctor to use, the patient must not unauthorized use of drugs, stop or change drugs.