Allergic rhinitis desensitization treatment is short for specific desensitization therapy, also known as desensitization therapy. This method is used to improve the patient’s tolerance to allergens by repeatedly exposing the patient to allergen extracts, with the aim of achieving no further onset of symptoms or a significant reduction in onset of symptoms after re-exposure to the allergen. After the allergen is first found, common methods include subcutaneous injection and sublingual administration. 1. Subcutaneous injection: Doctors usually start with a low dose, injecting once a week, and then gradually increase the dose and concentration of the injection, maintaining an optimal dose after a period of time. However, it should be noted that it may induce anaphylaxis or systemic hypersensitivity. 2. Sublingual: mainly through the oral mucosa to gradually increase the patient’s ability to tolerate allergens, this method of systemic conditions rarely occur, but may appear lips and sublingual itching, local swelling and other symptoms. Desensitization treatment needs to be determined by the doctor according to the specific condition, determine the treatment plan, if you need to carry out desensitization treatment, should strictly follow the doctor’s instructions standardized treatment.