The causes of chronic cough include infection, cough variant asthma, gastroesophageal reflux, sinusitis, allergic rhinitis, etc. Antibiotics such as cephalosporin, bronchodilators such as aminophylline, proton pump inhibitors such as omeprazole, and antihistamines such as loratadine should be given according to the causes of the cough. 1. Infection: such as bronchitis or lung infection, antibiotics such as cephalosporin, penicillin, azithromycin, etc. should be given to anti-infection treatment, coughing and coughing phlegm patients can also be used in conjunction with the use of cough and expectorant drugs such as aminoglutethimide and other treatments. 2. Cough variant asthma: bronchodilators such as aminophylline, salbutamol, terbutaline, etc., followed by the use of leukotriene receptor antagonist montelukast, and oral or inhalation of hormone therapy if necessary. Patients with cough and phlegm can also be treated with cough suppressant and expectorant drugs such as Ambroxol. 3. Gastroesophageal reflux: If the disease causes chronic coughing, you should change your eating habits and sleeping position, keep your head elevated and lie on your side, and then use proton pump receptor inhibitors such as omeprazole to treat the disease appropriately. 4. Sinusitis: first of all, nasal irrigation should be given, together with the use of antibiotics such as cephalosporin to control infection and eliminate symptoms. 5. Allergic rhinitis: nasal spray hormone can be used to reduce the symptoms, while oral antihistamines such as cetirizine, loratadine and other anti-allergy, if necessary, hormone therapy. All of the above drugs must be alert to drug-related side effects, should be used under the guidance of a doctor. Chronic cough should go to the regular hospital in time, clear cause, with the doctor’s treatment, not blindly use their own medicine, so as not to delay the condition.