The first is a viral infection, which can be treated with laser electrocautery and topical lidocaine cream to prevent pain during treatment. The second condition, the skin flab, there is a type of skin flab is filiform, the skin flab treatment can also use laser electrocautery treatment, but if the base is larger, need to be surgically removed, after the removal is recommended to send histopathological biopsy to clear the diagnosis. Before surgical excision, you need to improve the blood routine, coagulation function and infectious diseases and other related tests, after treatment, we should pay attention to the prevention of local infections, available 1-2 times a day with iodophor disinfection, it is recommended to go to a regular hospital, by professionals to deal with.