The post-burn scar growth, if improperly cared for, the scar often rubs and ruptures, and is prone to cancer in the long run, manifesting as a local rupture that does not heal for a long time, some up to several years, accompanied by secretions and a foul odor, which should be promptly checked and treated by the burn department of a regular hospital to avoid delaying the condition. Surgery is feasible to expand the ulcer excision, the base and surrounding tissues sent to pathology, according to the tumor resection surgery, the surgical defect site can be performed flap transfer or skin implant to cover the wound, can be a phase of healing, to achieve patient satisfaction. If the pathology reports that the ulcer is cancerous, it is usually phosphor carcinoma, and radiotherapy should be added after surgery.