A wart is the colloquial term used by the common people and is also known medically as a common wart. Inside the wart, you can sometimes see small black dots, which are actually the expansion of capillaries under the skin, bleeding caused by changes similar to petechial hemorrhage, but on top of the skin looks like a black splinter. The treatment needs to do freezing, drugs, laser and surgery, the specific how to choose depends on the size of the wart, the site, there are no other symptoms, the urgent need for treatment and so on. 1, freezing: but the disadvantage of freezing is that the treatment is more often, the treatment process is more painful. 2, drug treatment: the effect is not very good, you can choose the drugs are oncotoxin, fluorouracil, imiquimod and so on. 3, laser treatment: the effect is not good, you can choose the drugs are oncotoxin, fluorouracil, imiquimod and so on. 3, laser treatment: the cosmetic part of the hyperplasia is very obvious to do laser effect is better, surgery is generally done less, if atypical need to be clearly diagnosed, larger, other treatment effect is not good, you can choose surgery.