11-year-old girl coughing at night need to go to the hospital in time to improve the chest X-ray, chest CT and other related examinations, need to be alert to cough variant asthma, infection and other factors. Then according to the cause of the targeted treatment. 1. viral infection: can be given oxygen, sputum, rehydration, budesonide, salbutamol and other drugs nebulized inhalation treatment. 2. Bacterial infections: antibiotics can be used under the guidance of the doctor, such as amoxicillin clavulanate potassium, cefazoxime and so on. 3. Mycoplasma and Chlamydia infections: macrolides, such as azithromycin, can be used under medical supervision. 4. Cough variant asthma: can be under the guidance of a doctor to be budesonide, salbutamol and other drugs nebulized inhalation, in addition to giving doxophylline and other drugs such as intravenous infusion of asthma treatment. Usually should avoid contact with allergens. Drug treatment should be carried out under the guidance of a physician, and should not be taken on its own, in order to avoid danger.