The redness on both sides of the nose may be seborrheic dermatitis, rosacea, contact dermatitis, etc., which needs to be treated symptomatically. 1. Seborrheic dermatitis: Studies have shown that seborrheic dermatitis is related to Malassezia infection, and the oil secretion on both sides of the nose is strong, which is suitable for the growth of this bacterial group. It is recommended to use ketoconazole cream or miconazole cream to treat the condition while keeping the skin clean. 2. Rosacea: commonly known as rosacea, can be treated with fusidic acid ointment or isotretinoin ointment. If necessary, oral isotretinoin capsules, hydroxychloroquine and other drugs. 3. Contact dermatitis: allergic or irritant reactions occurring after contact with certain sensitizers or irritants in the area can also cause redness. In this case, it is necessary to identify the causative factors and avoid them by using topical calcium-modulated phosphatase inhibitors such as pimecrolimus ointment and tacrolimus ointment, and taking oral antihistamines such as loratadine. Redness on both sides of the nose, it is recommended to go to the dermatologist in time, after the doctor’s interview, according to the condition of the symptomatic treatment. The above medications should be used in accordance with the doctor’s instructions, not self-medication, so as not to delay the condition.