Rhinitis sprays clinically mainly have the following types: the first, nasal spray hormone class, this application is particularly large, common are tretinoin nasal spray, Renololide nasal spray, coleus nasal spray, mometasone furoate nasal spray and other types, clinical use for chronic rhinitis, sinusitis, but also for allergic rhinitis and other diseases, mainly to reduce the inflammatory response of the nasal mucosa, reduce the edema of the mucosa, improve nasal congestion etc. The second type of antihistamine nasal spray, commonly used for allergic rhinitis, can effectively relieve sneezing, itchy nose, runny nose and other related symptoms. There is also a type of nasal spray for dry nasal passages, a large amount of nasal blockage type, common physiological seawater nasal spray and other types. All in all, patients need to be examined by a clinician before applying the nasal spray that is suitable for them, and patients should not try to buy and apply it on their own.