Dandruff may be caused by physiological factors, need to pay attention to the way of washing hair; may also be caused by pathological factors such as scalp chaffing, can be antifungal treatment. 1. Dandruff may be caused by not paying attention to head cleanliness and hygiene, usually need to pay more attention to washing the scalp, and develop good hygiene habits, dandruff can generally reduce the disappearance of dandruff, generally do not need to carry out other treatments. 2. In addition, dandruff may be more scalp furfur and other pathological factors, often the presence of fungal infections, can be antifungal treatment, usually can use imidazole drugs such as ketoconazole, etc., you can also use shampoos containing coal tar, after standardized scientific use of medication can generally be cured. If excessive dandruff continues to ease the situation, it is recommended to go to the hospital, to clarify the cause, and follow the doctor’s instructions for treatment.