Seborrheic dermatitis can be controlled by general treatment and medication. 1. General treatment: avoid excessive cleansing, rubbing the skin, etc., and pay attention to limiting high sugar and high fat diet in daily life. 2. Medication: (1) Local medication: patients can use selenium disulfide lotion and so on as prescribed by the doctor, and can also use Dinaid cream, tacrolimus ointment and so on externally for treatment. (2) systemic drug therapy: severe itching can be oral antihistamine drugs such as loratadine; serious patients can be under the guidance of the doctor systematic application of glucocorticoids such as prednisone and other treatments; if accompanied by bacterial infections, can be under the guidance of the doctor orally sensitive antibiotics anti-infection treatment. It is recommended that patients with seborrheic dermatitis go to the hospital in a timely manner, the use of specific drugs should be standardized under the guidance of a doctor.