After mole treatment with trichloroacetic acid or liquid nitrogen, you must pay attention to avoid contact with water, at this time, if contact with water, it is easy to combine with bacterial infection and affect the healing of the wound. If there is infection, it is necessary to cooperate with fusidic acid cream or Bactrim cream for anti-infection treatment. When the skin is sweating and so on, you must use external iodophor to clean the trauma, so as not to lead to infection, after the appearance of scabs must not pick and scratch, let the scabs fall off on their own the best effect, scabs need to be timely sun protection, so as not to lead to hypopigmentation or hyperpigmentation.