White patches on the child’s face may be caused by anaplastic nevus, white furfur and other causes. 1. Nevus aphakicus: nevus aphakicus usually develops at birth or soon after birth, it is a congenital disease, manifested as limited hypopigmented spots of different sizes. 2. White furfury: white furfury may be related to vitamin deficiency, sun exposure and other factors, commonly found in children and adolescents, preferably in the face, manifested as hypopigmented spots, the surface of the fine chaff-like scales. Children with white patches on the face may also have vitiligo, lichen planus, post-inflammatory hypopigmentation and other causes, it is recommended to go to the hospital dermatology department to improve the examination, clear cause of the targeted treatment.