Since both sides of the nose are areas of high sebaceous gland secretion, a large amount of oil secretion occurs, which causes fungal infection of the skin and therefore seborrheic dermatitis. In the clinical treatment as follows: 1, if there are scattered red papules, accompanied by mild peeling, not accompanied by itching, you can apply topical application of compound ketoconazole cream. 2, if there are a large number of red papules, erythema along both sides of the nose, accompanied by peeling, itching, you can take oral orotadine hydrochloride tablets and terbinafine hydrochloride tablets, and at the same time in the external medicine can apply compound ketoconazole lotion and bifonazole cream alternately. Topical application. If the patient has a lot of peeling and severe itching, when a large number of red papules appear on both sides of the nose, you can take minocycline hydrochloride tablets and itraconazole capsules orally under the guidance of a dermatologist, and apply topical medications such as cypress lotion for local cold wet compresses, tretinoin econazole cream and urea vitamin The topical medication can be applied topically with a cold wet compress of compound cypress lotion and a mixture of tretinoin econazole cream and urea vitamin E milk. During the treatment period, you need to avoid spicy and irritating food and alcohol, and you must pay attention to sun protection.