Dry cough needs to be given according to the cause of anti-infection, bronchodilation and other treatments. 1. Tuberculosis, dry cough is a typical symptom of tuberculosis, therefore, it is necessary to carry out tuberculin test, sputum culture and other tests in a timely manner, and use anti-tuberculosis drugs such as rifampicin to carry out targeted treatment after a clear diagnosis. 2. Cough variant asthma can also cause long-term dry cough symptoms. It is usually treated with bronchodilators such as salbutamol. 3. Pharyngitis, due to the inflammation of the throat area stimulation can appear dry cough, the use of compound boric acid solution for gargling. 4. Interstitial lung fibrosis, anti-fibrosis treatment, using nidanib, etc.. 5. For chronic obstructive pulmonary disease, bronchial dilatation treatment with drugs such as salbutamol. 6. Lung cancer, anti-tumor treatment, according to the pathology and stage of lung cancer, assessment of surgical indications, or radiotherapy, immunotherapy. 7. Pneumonia, anti-infection treatment, using penicillin and other antibiotics. 8. Lung abscess, usually treated with penicillin and other antibiotics. 9. Pleural effusion, take lung puncture to extract the effusion, at the same time, timely identification of the original disease and then treatment. 10. Organic pneumonia, using adrenocorticotropic hormones such as prednisone to improve symptoms. 11. Reflux esophagitis: it can also cause dry cough, using omeprazole for acid suppression treatment. 12. Postnasal drip syndrome: glucocorticoid nasal spray can be used to improve symptoms. 13. Eosinophilic bronchitis: oral glucocorticoids and bronchodilators such as formoterol can be used to improve the condition. 14. Allergic pneumonitis: antihistamine treatment with loratadine, etc. Mild cases can be relieved on their own after detaching from the allergen, while severe cases need to take oral hormones. The medication should be used according to the doctor’s prescription. In conclusion, when the problem of dry cough occurs, you need to consult a doctor in time to clarify the cause of the disease and then symptomatic treatment.