Facial seborrheic dermatitis is red and itchy can be treated by daily care, topical medication and oral medication. 1. Daily care: daily habits should be improved in a timely manner, with a light diet, avoid spicy and stimulating food, pay attention to personal hygiene, avoid the use of irritating skin products, strengthen the skin’s oil control and moisturizing. Pay attention to rest, ensure sufficient sleep time, appropriate exercise, maintain a good state of mind. 2. Topical medication: you can apply hydrocortisone butyrate cream, tacrolimus cream, pimecrolimus cream, ketoconazole cream and other drugs for treatment. 3. Oral medication: If there is no obvious effect of topical medication or the symptoms are more serious, you can choose to use cetirizine hydrochloride tablets, vitamin B6 tablets, itraconazole capsules and other drugs for treatment. In the use of medication, need to be standardized under the guidance of a professional doctor, not unauthorized use of medication, so as not to have an impact on the health of the body.