Itchy scalp and dandruff, may be related to ringworm, seborrheic dermatitis and scalp furuncle and other factors, in the treatment of anti-fungal, inhibit sebum secretion of the drug treatment. 1. Tinea capitis: this is a skin disease caused by the infection of scalp with ringworm, in the treatment of anti-fungal drugs need to be given, such as oral itraconazole capsule, topical ketoconazole lotion and so on. In the process of treatment, attention should be paid to hygiene to avoid cross-infection. 2. Seborrheic dermatitis: the cause is related to the stimulation of the skin caused by oil secretion, in the treatment of the need to give the inhibition of sebum secretion of medication, such as external selenium disulfide lotion. 3. Scalp chaff rash: also known as simple scalp chaff rash, is a chronic inflammation of the skin on the head, with infection, mental factors and genetic factors, in the treatment of ketoconazole lotion, selenium disulfide lotion and other medications, may be appropriate to supplement the vitamin B complex, and so on. Because of the causes of the disease, the specific circumstances need to ask the doctor for an interview, and follow the doctor’s instructions for medication.