The reason why the child has been coughing may be caused by pneumonia, cough variant asthma, allergic rhinitis, gastroesophageal reflux disease, etc., need to clarify the diagnosis, according to the cause of the symptomatic treatment. 1. Pneumonia, if the child’s cough is accompanied by a low-grade fever, it should be considered whether there is an infection of the lower respiratory tract, such as pneumonia, to clearly identify the pathogenic bacteria, usually bacteria, viruses, mycoplasma, etc., and antibiotics, such as azithromycin, etc., can be used for treatment. 2. Cough variant asthma, if the child only cough, night and early morning exacerbation, need to consider the cough variant asthma, should improve the lung function test, after a clear diagnosis, can be nebulized inhalation of glucocorticoids and other relief symptoms. 3. Allergic rhinitis, if the child has allergic rhinitis, can also lead to long-term cough, can use hormone nasal spray. 4. Gastroesophageal reflux disease (GERD), which can also cause prolonged coughing in children, can be treated with omeprazole and other options to treat the underlying disease. The above drugs need to be used under the guidance of a doctor. In short, the child’s long-term cough has not been cured, should promptly go to the hospital, a clear diagnosis, symptomatic treatment.