Hello: According to your symptoms suggest that you still do dermatological examination to determine your specific condition. According to your symptoms it is recommended that you still pay attention to check your blood to determine your specific condition, pay attention to active treatment. Anemia nevus, is the local skin capillaries are relatively sparse, which is a small problem of congenital development, so the blood in the skin here is relatively less, so the appearance of the color of the surrounding skin color than some white. This condition is not considered a disease, no effect on the health of the child, the development is relatively slow, to a certain extent, the development will stop. There is no effective treatment. The so-called "non-pigmented nevus", i.e., the local skin pigment is missing compared with the surrounding skin pigment, and the appearance is whiter than the surrounding normal skin color, which is also a small problem of congenital development, and doesn't affect the health, and the development is also relatively slow. There is no specific treatment. The skin disease must be diagnosed face-to-face, so my analysis is not necessarily correct, just for reference

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