Allergic rhinitis in children with erosion of the nasal mucosa may be related to the dryness of the nasal cavity and the combination of other diseases, which requires cleaning the nasal cavity and medication. Allergic rhinitis is also known as allergic rhinitis, in general, the characteristic manifestations of the nasal mucosa examination include pallor, edema, congestion, and visible watery secretions. If there is nasal mucosal erosion, it may be caused by excessive dryness in the nasal cavity, combined with allergic sinusitis and so on. Saline can be used to moisten and clean the secretions left in the nasal cavity, using methylprednisolone, cetirizine hydrochloride drops, ephedrine nasal drops and other drugs for treatment, if the drug treatment is not satisfactory, surgery can be considered. Children suffering from allergic rhinitis should seek medical treatment in time, the above drugs should be used under the guidance of a doctor.