The itchy nose of patients with allergic rhinitis is mainly caused by the allergic allergic reaction in the nasal mucosa, and clinically it mainly lies in the treatment of the allergic allergic reaction in the nasal cavity. The symptoms of itchy nose can be reduced only after the allergic allergic reaction is well controlled. Clinically, the following methods are mainly used for treatment: First, it is recommended that patients avoid allergens. It is recommended that blood be drawn to check allergies to determine what patients are allergic to, and avoiding allergens can effectively control the symptoms of itchy nose, and this method is the most effective and most direct. Second, intranasal spray with antihistamine drugs to reduce nose itch, high concentration of the solution directly on the surface of the nasal mucosa has a very good effect, many patients within half an hour, the symptoms can be reduced. Third, glucocorticoid drugs, including both local spray drugs, but also short-term oral drugs. Fourth, oral antihistamines, the first, second and third generation of antihistamines are commonly used in clinical practice. Fifth, anti-leukotriene receptor antagonists, commonly used are cisplatin and other related drugs, which can also play a systemic anti-allergic effect when taken orally. In conclusion, patients with allergic rhinitis who have an itchy nose can take both oral medications and topical topical medications, both of which can achieve effective treatment. If the patient is found to be allergic to dust mites after examination, immunotherapy such as sublingual or subcutaneous injection of desensitizing drugs can also be performed to treat allergic rhinitis.