Different types of skin diseases, patients take different kinds of oral vitamins, and the effect of taking vitamins varies from person to person, here are only some commonly used vitamins and commonly used in the treatment of diseases, for the reference of patients with various types of skin diseases, but the specific treatment, or the guidance of professional doctors shall prevail. 1, vitamin A: has the role of promoting growth, maintaining the integrity of epidermal tissue, can be used to treat rough skin, ichthyosis, periorbicular keratosis, etc.; 2, vitamin B1: involved in the formation of coenzyme in the body, can be used to treat foot disease; 3, vitamin B2: involved in the body’s antioxidant defense system, but also involved in the composition of enzymes in the body, can be used to treat epidermal tissue lesions, such as various dermatitis, such as seborrheic dermatitis, allergic dermatitis, etc.; 4, vitamin B5: constitutes a coenzyme component of dehydrogenase, is for the prevention and treatment of Mange has a special effect of a vitamin; 5, vitamin B6: constitutes a coenzyme component of amino acid transaminase and decarboxylase, involved in the metabolism of fat and protein, can be used to assist in the treatment of various dermatitis, such as seborrheic dermatitis, acne, etc. 6, vitamin C: can promote wound healing, reduce capillary permeability, and has a detoxifying effect, mainly for allergic diseases and chloasma, freckles; 7. Vitamin E: has the function of antioxidant and maintaining capillary integrity, mainly used for the treatment of chloasma and freckles; 8. Vitamin K: is essential for the synthesis of prothrombin, and can be used for the treatment of bleeding skin disease and chronic urticaria.