Hair is oily and itchy considerations are not pay attention to hygiene, seborrheic dermatitis of the scalp, tinea capitis and other causes, need to be treated according to the specific causes of the symptomatic treatment, mainly to strengthen the care, medication. 1. Do not pay attention to hygiene: If you do not wash your hair for a long time, your hair will become more oily and itchy, this situation should be strengthened care, usually wash your hair often, you can choose the shampoo that is suitable for your hair. 2. Seborrheic dermatitis of the scalp: the sebaceous glands in the scalp area are more exuberant, and if inflammation occurs, it will cause greasy dandruff accompanied by mild itching, you can use selenium sulphide shampoo to wash your hair, and when dandruff is more frequent, you can choose calcium-modulated phosphatase inhibitors such as pimecrolimus ointment and tacrolimus ointment for application. 3. Tinea capitis: Tinea capitis is common in children, mainly caused by direct or indirect contact with the skin fungal infections, you can take oral terbinafine, itraconazole and other antifungal drug treatment, hair washing can be chosen to contain antifungal detergent, such as ketoconazole lotion. Hair and oil and itchy may also be other reasons, it is recommended to go to the hospital in a timely manner, after the cause is clear standardized treatment, the above drugs should be used in accordance with the doctor’s instructions.