The incidence of allergic rhinitis is as high as 10%-14%, and it has been regarded as a persistent medical problem. Patients have long-term nasal congestion, runny nose, frequent paroxysmal sneezing, nasal passages are sometimes blocked, and in serious cases, they have to use their mouths to breathe instead of their noses, and they are often prone to colds because rhinitis is not cured for a long time, which leads to tinnitus, deafness, dry throat, sore throat, so that the sense of smell is reduced or lost, and sometimes they also have headache and lack of mental clarity. Those who have been suffering from allergic rhinitis for a long time suffer from lack of oxygen in the brain due to lack of ventilation in the nose, headaches, poor sleep and neurological weakness and memory loss. Allergic rhinitis is a health hazard and affects normal work and study. This is the most important and basic method of traditional allergic rhinitis prevention and treatment. It is the most important and basic way to prevent and treat allergic rhinitis. In addition, you should try to avoid unnecessary socializing, smoking and drinking, and develop a consistent exercise to increase resistance and strengthen sympathetic nerve function. Drug therapy Antihistamines are the main drugs that can relieve the symptoms. Commonly used drugs include: chlorpheniramine, loratadine, cetirizine. Corticosteroids: Prednisone, dexamethasone, Coninextron-A, etc. Intranasal sprays Commonly used are Reynocort nasal spray, levocabastine nasal spray (Lefoxitin), trimethoprim nasal spray, etc. They are effective in the prevention and treatment of allergic rhinitis. Desensitization therapy For allergic rhinitis, the allergen solution can be injected into the body with a minute amount of diluted allergen solution on a long-term basis if the allergen is measured, in order to achieve tolerance to this antigen in the body.