Dandruff and itchy dandruff, consider and do not pay attention to hygiene, ringworm, seborrheic dermatitis and other factors, can be dealt with by washing hair diligently, drug intervention and other ways. 1. Not paying attention to hygiene: if dandruff is itchy, and if it is related to not paying attention to hygiene, you can effectively improve the symptoms of increased dandruff and itchiness by washing your hair diligently. 2. Tinea capitis: this is a common skin disease in which dermatophytes infect the hair and scalp, and it is often necessary to take ketoconazole lotion, clotrimazole, miconazole and other topical medications, so as to improve the patient’s symptoms, and, if necessary, with oral antifungal medications, such as itraconazole and so on. 3. seborrheic dermatitis: this is a chronic inflammatory skin disease that occurs in seborrheic overflow areas, commonly found in the head, face, chest and back, and Malassezia infection, can be treated with selenium disulfide lotion under the guidance of a doctor, but also with antihistamines such as loratadine to relieve itching. It is recommended that patients with dandruff and itchy phenomenon, should be as soon as possible to seek medical attention, with the doctor to clarify the specific causes, should be given targeted treatment and treatment, not blindly use drugs to avoid adverse effects.