In addition to skin color reasons, scalp white abnormal, may be due to vitiligo, ringworm and other diseases. 1. Vitiligo: belongs to the pigment loss disease, its cause in addition to genetic factors, but also with sun exposure, trauma and autoimmune abnormalities and so on. The typical performance is the local skin porcelain white or milky white, and the white spots within the hair can be white. 2. Tinea capitis: a skin disease caused by fungal infection of the scalp, typically characterized by white scales on the scalp, accompanied by hair loss, hair breakage and itching. It is recommended to go to the hospital in a timely manner to clarify the cause of the specific medication to be used under the guidance of the doctor, to avoid blindly using their own medication.