Patients with colon adenocarcinoma can choose to have open radical surgery or laparoscopic surgery, and the operation steps of different surgical methods are as follows. 1. Laparotomy: first of all, we have to find the incision, usually we will take the left side of the rectus abdominis muscle, make the incision in the middle of the side, and then ligate the blood vessels to free the left side of the greater omentum, and cut the mesentery to the intestinal part by electric knife, separate the ileocecal part, and then remove part of intestinal tissues, and after the operation, the incision between ileocecum and colon needs to be coincidental. 2. Laparoscopic surgery: laparoscopy is used to open 4~5 small holes on the abdominal wall, put the tube into the holes, then free the blood-supplying intestinal tubes of the tumor section under the mirror, remove the tumor, and then perform intestinal anastomosis. If patients with colon adenocarcinoma need to undergo surgery, it is recommended to go to the hospital for consultation first and under the guidance of professional physicians to conduct relevant examinations, analyze the severity of the disease, and then choose the best surgical plan for treatment. Specific surgical operation should be carried out under the guidance of professional doctors, and relevant care and radiotherapy should be done after operation.