A white patch on the face may be caused by white furfura, vitiligo, etc. After clarifying the cause of the disease, it can be treated by medication, surgery, and physical means. 1. white chaff rash: is a mild inflammatory skin disease that occurs in children’s faces, its occurrence may be related to microorganisms such as Malassezia furfur, characterized by round or oval pale white spots of varying sizes, covered with chaff-like scales. The white chaff rash may subside on its own and generally does not require treatment. Silicone oil cream and gentamycin ointment can be used externally to help reduce the condition. 2. Vitiligo: It is a common acquired pigment loss skin and mucous membrane disease, clinically manifested as white spots. Its etiology may be related to genetic factors, autoimmunity and other reasons. For patients with stable vitiligo, transplantation treatment can be used, including autologous epidermal patch transplantation, tiny skin patch transplantation, or 308mm excimer light or laser can be used for treatment, which can make the skin color even. It is recommended that patients with a white face and a black face go to the hospital in time to do relevant examinations, to clarify the cause of the disease, and then follow the doctor’s instructions for treatment, to avoid delaying the condition.