There is no single spray that is most effective in treating allergic rhinitis, but rather a nasal spray that is appropriate for the patient’s main symptoms to relieve discomfort. Nasal sprays commonly used in clinical practice include glucocorticoids, vascular mucosal constrictors, antihistamines and physiologic seawater nasal spray. 1. Glucocorticoid: allergic rhinitis is a kind of non-infectious inflammatory disease of nasal mucosa, glucocorticoid can be given to anti-inflammatory effect, in order to reduce the inflammatory reaction of the nasal mucosa, to reduce mucosal edema and improve nasal congestion. Commonly used drugs such as mometasone furoate nasal spray, budesonide nasal spray. 2. Vascular mucosal contraction agent: this kind of drug is mainly to make the nasal mucosa vasoconstriction, in order to reduce the congestion, swelling and hypertrophy of the nasal cavity and turbinate mucosa, and then improve the symptoms of nasal congestion. But in the use of such drugs need to pay attention to not long-term use, so as not to cause drug rhinitis. Commonly used drugs such as hydroxymetazoline nasal spray, color glycol naphthylamine nasal spray. 3. Antihistamines: These drugs are mainly used to prevent the synthesis and release of certain chemical mediators in the allergic reaction, in order to anti-allergic effect, reduce secretions and improve the symptoms of runny nose. Commonly used drugs such as azelastine hydrochloride nasal spray, levocabastine hydrochloride nasal spray and so on. 4. Physiological seawater nasal spray: this product can be used for nasal rinsing, moisturizing and other effects, and play a role in promoting the recovery of nasal cilia function, improve drainage, nasal dryness and other discomforts. The choice of nasal spray for allergic rhinitis should be analyzed according to the patient’s specific situation, and it is recommended to consult a professional doctor and follow the doctor’s instructions to be used.