Dandruff and itchy scalp is considered to be caused by physiological factors such as inadequate cleansing; it may also be caused by ringworm, seborrheic dermatitis of the scalp and other diseases. Patients can follow the doctor’s instructions according to different causes of different ways of treatment, such as general treatment, medication and so on. 1. Physiological factors: If the usual head cleaning is not in place, often eat greasy food, may lead to an increase in head oil, so that dandruff and itchy scalp. In this case, the patient should keep the scalp hygiene and dry, and wash the head regularly. Usually keep a light diet, avoid scratching the scalp. 2. Tinea capitis: If dandruff is caused by tinea capitis and itchy scalp, patients can follow the doctor’s instructions to use topical imidazole drugs such as econazole cream, clotrimazole cream and miconazole cream to achieve the effect of antifungal treatment, and if necessary, combined with oral medications such as itraconazole and other treatments. 3. Seborrheic dermatitis of the scalp: If you suffer from seborrheic dermatitis of the scalp leading to dandruff and itchy scalp, the patient can follow the doctor’s instructions to use selenium sulfide lotion, salicylic acid lotion lotion lotion lotion and other lotion type of drug therapy to achieve the anti-inflammatory effect of the dissolution of lipids, and if necessary, oral antihistamines such as chlortetracycline and other treatment. If dandruff and itchy scalp, it is recommended to go to the hospital after eliminating physiological factors, and choose the appropriate way of treatment according to the cause under the guidance of the doctor.