Mometasone Furoate Nasal Spray is mainly used for the treatment of adults, adolescents and children aged 3~11 years old with seasonal or perennial rhinitis in the form of nasal spray; however, there is some variability in the method of use according to the diseases treated as well as the population. 1. Seasonal allergic or perennial rhinitis: first press the sprayer 6~7 times as a start-up, after seeing a uniform spray, directly nasal drug delivery; if the drug is stopped for more than 14 days, when it is used again, it needs to be restarted. 2. Adults (including elderly patients) and young people: the common recommended dose for primary prevention and treatment is 2 sprays per nostril, once a day; after symptoms are controlled, the dose can be reduced to 1 spray per nostril, which can effectively maintain the therapeutic effect; if symptoms are not controlled, the dose can be increased to 4 sprays per side. 3. Children 3 to 11 years old: the recommended dose is 1 spray per nostril, once a day. Some patients are prone to nosebleeds, nasal irritation, nasal ulcers and other uncomfortable symptoms during the use of the drug, and the use of the drug is prohibited for patients who are allergic to any component of the drug; in the process of spraying, it is prohibited to puncture the nozzle, and attention should be paid to the cleanliness of the nasal sprayer. Need to use mometasone furoate nasal spray treatment patients, need to be under the guidance of a professional doctor for reasonable use.