The vitamin supplementation for rhinitis should be decided according to the type of rhinitis. In chronic rhinitis, vitamin C can be supplemented to facilitate the recovery of the nasal mucosa, while allergic rhinitis does not require vitamin supplementation because vitamins have no significant effect on allergic rhinitis. In fact, the treatment of rhinitis supplemental vitamins are only auxiliary, but also need to be treated for different rhinitis, in order to have a significant effect on rhinitis, such as chronic rhinitis, you can use physiological seawater nasal spray to improve the nasal environment, facilitate the recovery of the mucosa, tretinoin nasal spray to facilitate the elimination of nasal mucosal edema; while allergic rhinitis, it is necessary to perform anti-allergy treatment such as oral levocetirizine, montelukast, nasal spray tretinoin For atrophic rhinitis, the nasal cavity can be treated with nasal drops containing antibiotics and the application of antibiotics.