Scalp dermatitis includes seborrheic dermatitis, scalp folliculitis, psoriasis and many other types of diseases, which need to be treated according to the cause. 1. Seborrheic dermatitis: mainly caused by Malassezia and fungal infections, adults can use ketoconazole cream, miconazole cream, econazole cream to smear the affected area; young children with the disease as much as possible to do to clean the scalp, apply olive oil, petroleum jelly and other moisturizing effect of the scalp skin care products, can be used to comb the debris gently to help fall off a fine comb. 2. scalp folliculitis: mainly due to bacterial infection, daily good scalp cleaning at the same time, can be applied locally fusidic acid ointment, mupirocin ointment, chloramphenicol tincture and other drugs. 3. Psoriasis is caused by: disease factors are not clear, smoking and drinking too much stress may lead to, can be used topically carbotriol, salicylic acid, tacrolimus and other drugs, or oral cyclosporine, methotrexate and other treatments. All of the above drugs need to be used under the guidance of a physician, scalp dermatitis patients are advised to consult a doctor in a timely manner to clarify the cause of the disease, follow the doctor’s instructions standardized treatment.