Itchy scalp, may be related to poor local hygiene, seborrheic dermatitis, psoriasis or ringworm and other reasons, according to the cause of the corresponding treatment measures, such as general treatment, local medication or systemic medication. 1. Local hygiene: for people who have not cleaned their scalp for a long time, there are scalp oil, hair follicle blockage and dust deposition, which can cause scalp itching, at this time, pay attention to regular cleaning of the scalp, which can effectively alleviate the symptoms. 2. Seborrheic dermatitis: general treatment can be adjusted through diet, limit the diet of sugar and fat; avoid staying up late, regular work and rest; scalp parts can be used externally containing ketoconazole, salicylic acid or selenium disulfide shampoo products. 3. Scalp psoriasis: glucocorticoid cream or ointment, carbotriol cream can be applied to the affected area to control symptoms. 4. Ringworm of the scalp: should be as far as possible to cut the diseased hair, the use of sulfur soap, ketoconazole shampoo shampoo, local rubbing tincture of iodine, terbinafine cream and other antifungal medicines, should also pay attention to the living supplies and barber tools disinfection treatment. Frequent itching of the scalp or lesions, should be timely to the hospital specialist consultation, clear cause of the disease, the cause of the symptomatic treatment.