Repeated nasal congestion in children with breath and cough with phlegm is usually caused by inflammation of the upper respiratory tract, can be relieved by adjusting the diet, medication and other methods. Children’s repeated nasal congestion with breath and cough with phlegm is considered to be caused by upper respiratory tract infection, if the symptoms are relatively mild, you can adjust the diet, avoid eating cold, stimulating food, and at the same time, you can give the child more hydration to increase nutrition, is conducive to recovery. If the symptoms are more serious, you can be treated by medication, you can check if there is a bacterial infection, you can use cefixime granules to treat, if there is a viral infection, you can use ribavirin tablets to treat. When the cough with phlegm is more obvious, you can give your child the treatment of ambroxol hydrochloride oral solution, you need to pay attention to the side effects of the drug, such as nausea, rash, diarrhea and other adverse reactions. It is recommended to take the child to the hospital in time to complete the relevant examination, identify the cause of the treatment under the guidance of the doctor, follow the doctor’s instructions.