Allergic rhinitis is a common nasal disease that belongs to allergic reactions and can generally be divided into seasonal allergic rhinitis and perennial allergic rhinitis. Most patients will experience nasal congestion, profuse runny nose, nasal itching, paroxysmal sneezing, and in severe cases, patients will also experience symptoms such as itchy throat, itchy eyes and itchy ears. At present, the clinical treatment of allergic rhinitis is mainly based on drug therapy. The main drugs commonly used are: antihistamines, such as loratadine, cetirizine, etc. This is a new class of antihistamines, the general drowsiness effect than the previous drugs to relieve a lot. Anti-leukotriene drugs, such as montelukast. Glucocorticoids, such as dexamethasone, prednisone acetate, etc. Glucocorticoid nasal sprays, such as tretinoin nasal spray, can be used for the nasal cavity. These nasal sprays are very effective in relieving nasal congestion symptoms and have a fast onset of action. Nasal decongestants can also be used, such as furosemide nasal drops and ephedrine nasal drops. If the nasal secretion is high, saline can be used to cleanse the nasal cavity and keep it clean and moist. Therefore, it is important to treat allergic rhinitis with medication in a timely manner when it strikes to avoid related complications. For patients with known allergens, avoiding exposure to allergens as much as possible is also an effective measure to reduce allergic rhinitis attacks. (For specific medication, please combine with the clinical situation and be guided by the doctor’s interview)