Itchy scalp with dandruff consider seborrheic dermatitis or ringworm of the head, can be improved by medication and general treatment. 1. Seborrheic dermatitis: Seborrheic dermatitis is a chronic, recurring, inflammatory skin disease commonly found on the head, face, chest, back and other seborrheic areas. Ketoconazole-containing shampoo can be used to wash the hair, limit the fat and sugar diet, avoid drinking alcohol and spicy stimulating food. When the itching is intense, it can be given to stop itching sedatives such as loratadine. 2. Ringworm of the head: ringworm of the head refers to the dermatophyte infection that involves the hair and scalp. Patients should cut the hair as far as possible, can be used topical antifungal drugs such as terbinafine cream coated in the affected area and ketoconazole shampoo shampoo, if necessary, oral antifungal drug therapy such as itraconazole. Itchy scalp with dandruff may also be other reasons, it is recommended to go to the hospital in time, under the guidance of a physician to clarify the cause of the disease, follow the doctor’s prescription medication.