The drug treatment of allergic rhinitis includes intranasal administration and systemic medication. 1. Intranasal medication: as the main treatment, when there is occasional runny nose and sneezing, antihistamine nasal spray can be used, such as azelastine hydrochloride nasal spray; glucocorticoid nasal spray can be used, such as mometasone furoate, fluticasone propionate, etc.; for those who have heavy nasal congestion, nasal decongestant such as furosemide nasal drops can be used as an additional agent. Auxiliary physiological seawater nasal spray to clean nasal secretions. 2. Systemic medication: oral antihistamines, such as cetirizine, loratadine; leukotriene receptor antagonists, such as montelukast sodium tablets. Patients with allergic rhinitis are advised to consult a regular hospital in time and follow the doctor’s instructions to standardize the use of medication.