It is possible to eat together with a patient with bowel cancer and there is no contagion. Firstly, the bowel tumor is confined to the patient’s abdominal cavity, and there may be a visible mass in the intestinal canal, or there may be enlarged lymph nodes in the mesentery. Usually, surgery is needed to treat the tumor, and according to the pathological results after surgery, chemotherapy and other treatments are needed to treat the tumor. Bowel cancer is not a contagious disease, and eating together and living together will not cause other people to be infected, so patients can live together safely. In addition, for bowel cancer patients, there may be a tendency of family heredity, that is, if the immediate family members have bowel cancer, the chances of developing bowel cancer will be significantly increased, and they need to go to the hospital for regular checkups.