Children’s sinusitis can be rinsed with saline under the guidance of a doctor. Sinusitis in children is an inflammatory disease of the mucous membrane of the sinuses, mostly caused by bacterial or viral infections, which can be manifested as nasal congestion, headache and other symptoms, and need timely treatment, can be used under the guidance of the doctor saline or hypertonic saline nasal rinsing. Saline rinse nasal cavity on the one hand helps to remove nasal secretions, on the other hand helps to dilute nasal secretions, hypertonic saline helps to reduce the performance of nasal mucosa congestion and edema. To achieve the purpose of assisting in relieving symptoms, the use of the process need to pay attention to whether there is choking, earache and other adverse reactions, if there should be stopped immediately and seek medical treatment. Children’s sinusitis should be timely medical treatment, in addition to the saline rinse, but also under the guidance of a doctor to clarify the cause of the disease, in accordance with the doctor’s instructions to be drugs and other targeted treatment.