Scalp dermatitis includes seborrheic dermatitis, contact dermatitis, etc., and the treatment modes are general treatment and drug treatment. 1. Seborrheic dermatitis: seborrheic dermatitis occurs in the head and face, is a chronic inflammatory skin disease. For seborrheic dermatitis patients, you can use selenium disulfide lotion, ketoconazole lotion and other drugs externally, to play the effect of antibacterial, dandruff. 2. Contact dermatitis: contact dermatitis is an inflammatory skin disease caused by skin contact with external substances, which can occur on the head and face. Patients should clarify the cause of the disease and avoid re-exposure. It can be treated with topical glucocorticoids, such as hydrocortisone and dexamethasone, to provide anti-inflammatory effects. There are many scalp dermatitis, it is recommended that patients seek medical examination, clear cause of the disease with the doctor standardized treatment, drugs need to be used in accordance with medical advice.