The child sinusitis cough no best treatment method, it is mostly due to the sinus inflammation down to the throat, bronchial tube, can take anti-infective drugs, cough medication, such as phlegm treatment. 1. Anti-infective drugs: you can take cephalosporin antibacterial drugs such as cefaclor granules, penicillin antibacterial drugs such as amoxicillin granules, macrolide antibiotics such as azithromycin dry suspension, etc. for treatment. 2. Cough and phlegm medications: you can give your child Ambroxol hydrochloride oral solution, Ambroterol oral solution, etc. These drugs have different degrees of adverse reactions, such as nausea, vomiting, skin rashes, burning sensation in the stomach, etc. In the use of these drugs for the child’s treatment, be sure to strictly follow the doctor’s instructions under the guidance of the doctor to take.