Vitamin C is not a cure for allergic rhinitis, but only has a role in the treatment of scurvy, purpura and other diseases. Allergic rhinitis can be treated with loratadine, budesonide, sodium cromoglycate and other drugs. Vitamin C belongs to the vitamin group of drugs, allergic rhinitis belongs to the non-infectious inflammatory disease of the nasal mucosa, usually, vitamin C does not treat allergic rhinitis. Vitamin C can be used for the treatment of scurvy, but also can assist in the treatment of purpura, anemia and a variety of acute and chronic infectious diseases. Clinical drugs used to treat allergic rhinitis include antihistamines such as loratadine and chlorpheniramine, as well as glucocorticoids such as budesonide and mometasone furoate, and mast cell stabilizers such as sodium cromoglycate and nedocromil. The disease is usually treated in a standardized manner and symptoms can be controlled to varying degrees. In summary, allergic rhinitis patients need to go to the hospital, under the guidance of the doctor’s medication, do not use their own vitamin C, so as not to delay the condition. Usually need to strengthen the daily life management, do a good job of personal protection.