After electrocauterizing the flat warts, you should pay attention to the wound area to avoid infection, pay attention to sun protection, pay attention to the prevention of recurrence, and so on. 1. Pay attention to the wound area to avoid infection: after the flat warts electrocautery will exist a certain wound, should pay attention to keep the wound area clean and hygienic, to avoid infection, in the wound area before the crust to keep dry, don’t get water, after the crust to let the crust naturally fall off, don’t use the hand to pick out the crust. 2. Pay attention to sunscreen: if the wound area does not pay attention to sunscreen, it is easy to appear pigmentation, should avoid ultraviolet radiation for a long time to irradiate the wound. 3. prevent recurrence: flat warts is a kind of viral infection, after the treatment if you do not pay attention to enhance the body’s immunity will recur, it is recommended to avoid staying up late, appropriate exercise, enhance the body’s immunity. If you’ve got a problem with the way you’re feeling, you’ll have to go to the hospital in a timely manner to avoid the negative consequences.