Nail ectropion requires careful observation of the pattern of ectropion, if it is concave in the center leading to ectropion at the edges, it is considered to be a spoon-shaped nail due to iron deficiency factors, related to mineral deficiency, and deformity of the nail during the production process. You can use iron tonic oral solution or targeted supplementation of iron ions to help in the overall recovery. If the nail area is ectropion is the middle of the nail appeared erosion, oozing or edge thickening, in the thickening of the bottom of the yellow powdery material is seen, considering the fungal infection caused by gray nail. It is recommended to choose oral terbinafine tablets, continuous oral 3-6 months, basically can be treated. If the edge of the nail appears to be thickened, gray keratosis-like hyperplasia, with no obvious changes in the middle, it is related to nail disease formed by special factors, such as traumatic stimulation or long-term friction and extrusion.