If children have allergic rhinitis, they can be treated with endosulfan, also called mometasone furoate nasal spray, which can be actively applied for about half a month and observe the changes in the child’s condition. If the child’s symptoms are well controlled, the drug can be stopped. But if the child’s symptoms still persist, you can continue to apply it after 3-5 days of interruption. Mometasone furoate nasal spray can effectively reduce the degree of nasal mucosal sensitivity in children, and can reduce the clinical symptoms of sneezing, runny nose and itchy nose, and is widely used in clinical practice. In particular, the use of endosulfan is recommended for children with symptoms of allergic rhinitis. If the patient’s symptoms are very serious, anti-allergic drugs can be added, commonly used clinically is montelukast sodium tablets, after active symptomatic treatment of the child’s allergic rhinitis should be significantly improved.