Children with pale white blocks on the face, consider white furfur, is an inflammatory disease that occurs in the skin, mainly manifested as a pale white rash on the face, the surface of the fine scales, usually no self-conscious symptoms. The specific cause is not clear, may be related to the following factors: 1, children sebaceous gland development is not perfect, excessive cleaning, the use of alkaline soap caused by too strong. 2, vitamin deficiency, some children partiality, eat greens, fruits less. 3, the body has a parasitic infection caused by the so-called traditional Chinese medicine, worm spot. 4, other factors, such as sun exposure, local friction, topical medication, etc..