Patients with seborrheic dermatitis who suffer from dandruff can relieve their symptoms through general treatment and medication. 1. General treatment: Work and rest regularly, try to go to bed early and get up early, eat less sweets, fried food, puffed food and spicy stimulating food. Use mild cleansing products, strengthen oil control and moisturizing, avoid excessive cleaning and scratching. 2. Topical medication: you can use selenium disulfide and compound cypress solution for external washing, and you can also follow the doctor’s instructions to use glucocorticoid solution preparation, tacrolimus cream and other drugs for topical application treatment. 3. Oral drug treatment: dandruff, accompanied by itching can be oral antihistamines, such as loratadine, cetirizine and other drugs to stop itching; such as dandruff, accompanied by more oil, erythema, pimples, you can orally minocycline hydrochloride, isotretinoin soft capsule and other drugs. Consult a dermatologist before treatment, do not self-medicate, and use the medication as prescribed.