I think vitamin I has nothing to do with this. It may be edema caused by inflammation caused by jaw or skin allergy, which requires active anti-allergic treatment. If the symptoms are not serious, it can be improved by applying Sanshen ointment powder or external washing on the face. If the skin is red and swollen, it can be combined with oral cetirizine hydrochloride tablets. Usually avoid spicy and greasy, don't stay up late.