Improvement of dry cough should be based on different causes to treat, such as mycoplasma and other infections caused by dry cough need to take oral roxithromycin; cough after the cold oral compound methoxonamine capsules; cough variant asthma need to nebulize budesonide suspension, terbutaline, ipratropium bromide, etc.; gastroesophageal reflux cough generally need to take acid-suppressing gastric protection drugs, etc.; lung cancer caused by dry cough generally need to be surgical and radiotherapy and other treatments; Dry cough caused by drugs need to stop using the drug. 1. Cough caused by mycoplasma and chlamydia, oral roxithromycin capsule, azithromycin, levofloxacin and other anti-infective. 2. Coughing after a cold is usually a dry cough left after an upper respiratory tract infection, and can be taken orally to compound methoxonamine capsules. 3. Cough variant asthma: nebulized bronchodilators such as terbutaline, salbutamol, ipratropium bromide, coupled with budesonide suspension nebulized, oral antihistamine drugs such as levocetirizine. 4. Gastroesophageal reflux cough needs to take acid-suppressing and stomach-protecting drugs such as pantoprazole enteric-coated tablets and mosapride. 5. Lung cancer can also cause irritating dry cough. Tumor can be found through chest CT, surgery or lung puncture, etc. to clarify the pathological type and then further radiotherapy, targeted therapy and immunotherapy. 6. Dry cough caused by medicines such as captopril should be stopped, and usually the dry cough will gradually improve after stopping the medicine. Dry cough can also be caused by other diseases, it is recommended to consult a doctor in a timely manner, under the guidance of a specialist to treat the cause. The above medications should be used under the supervision of a physician.