Allergic rhinitis is an IgE-mediated disease that occurs in atopic individuals after exposure to allergens, and is characterized by nasal itching, nasal discharge, nasal hypersecretion, and swelling of the nasal mucosa. 1. Genetic factors: allergic rhinitis may be related to genetic factors, the disease usually shows family susceptibility, the presence of allergic rhinitis in the father’s generation, the probability of children with allergic rhinitis is higher. 2. Environmental factors: Inhalation of allergenic substances, such as animal dander, pollen, dust mites, etc., may lead to allergic reactions in the nasal cavity, which may easily induce allergic dermatitis. 3. Food factors: allergic reactions to some foods, such as milk, eggs, mango, etc., can also induce allergic rhinitis. Therefore, patients with allergic rhinitis should avoid contacting and consuming allergenic substances, and after the symptoms of allergic rhinitis appear, they should follow the doctor’s instructions and use reasonable medication for treatment.