Lipoma excision, after anesthesia, there will be slight pain, mainly from the stimulation of the surgery, common example of superficial lipoma, only need to inject anesthesia into the subcutaneous, a local cutaneous nerve block can be carried out. For deep lipoma, it is necessary to expand the scope of anesthesia. Take superficial subcutaneous lipoma as an example, after anesthesia injection, the regional cutaneous nerve can be anesthetized to achieve painless effect, because the pain of superficial surgery mainly comes from cutaneous nerve, and the distribution of cutaneous nerve is relatively rich, generally after resection and complete hemostasis, it is enough to simply carry out intermittent stitches outside the skin and stitches can be removed in 5-7 days after surgery. The stitches can be removed in about 5-7 days after the operation, and the pain is very mild.