Children coughing and wheezing with a sound, need to promptly resolve phlegm and cough symptomatic treatment and etiological treatment. 1. Symptomatic treatment: first oral phlegm drugs, such as Ambroxol, pediatric phlegm cough granules, etc., can dilute phlegm, promote coughing out. Only severe coughing, it is recommended to use cough suppressant drugs, such as dextromethorphan. You can also choose to nebulize the treatment, nebulization of drugs directly on the pharynx, dilute phlegm, easy to cough out. 2. Treatment of etiology: children coughing, phlegm, consider the respiratory tract has a viral infection, you can take some antiviral proprietary medicines, such as four seasons antiviral oral solution. Bacterial infection, need to use penicillin, cefixime and other antibacterial drugs treatment. Mycoplasma infections require oral macrolides, such as azithromycin. Medications should be used under medical supervision. When there is coughing and wheezing with phlegm sound, it is necessary to go to the hospital as soon as possible for auscultation and examination to determine the severity of the condition and target treatment.