The common diseases that cause cough are upper respiratory tract infection, chronic obstructive pulmonary disease, bronchial asthma, tuberculosis, etc. The treatment is mainly for the cause of the disease. 1. Upper respiratory tract infections: mostly caused by viral or bacterial infections, mainly symptomatic treatment, with nasal congestion can be used ephedrine nose drops, cough patients can use dextromethorphan and other cough suppressants. If there is a basis for bacterial infection, antibiotics such as amoxicillin can be used for anti-infection treatment. 2. Chronic obstructive pulmonary disease (COPD): Firstly, patients should be warned to quit smoking, and secondly, patients with cough and phlegm can use aminobromine hydrochloride and bromhexine to resolve phlegm. Patients with shortness of breath can use ipratropium bromide and other bronchodilators to relieve symptoms of shortness of breath. 3. Bronchial asthma: Inhaled glucocorticosteroids combined with β2 agonists such as budesonide formoterol powder inhaler can be used, while leukotriene receptor modulators such as montelukast can be used. 4. Tuberculosis: mainly anti-tuberculosis treatment, using drugs such as rifampicin, isoniazid, streptomycin, pyrazinamide and so on. Cough can also be caused by other diseases, if the cough continues to be unrelieved or aggravated, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to clarify the cause of the disease, and according to the actual condition of the selection of appropriate drugs and active treatment.