There is a relationship between the creation of animal skin nevi and genetic factors. 1. The nevus of animal skin is generally benign, if there is no special symptomatic changes, no special treatment; if if if affects the aesthetic appearance can also consider treatment. The size varies, the small ones are a few millimeters, and the diameter is more than 20cm. 2. Usually need to observe whether the nevus of animal skin has repeated inflammation or bad exudation, or the area suddenly increased or protruded from the skin surface, this situation needs to be investigated for malignant changes, to go to the hospital in time to do pathological examination. 3. Small nevus of animal skin can consider laser treatment. 4. The best treatment for large area is to go to plastic surgery for skin expansion method, which only leaves a small amount of inconspicuous incision scars after cure. 5. For some over-sized nevus of animal skin, simple expansion can not solve all the repair problems, and colorless skin grafting can also be used to complete the rest of the large nevus repair. If you want to treat nevus of animal skin, you should go to regular hospital in time and follow the doctor’s prescription.