Hanging fecal bag for bowel cancer usually refers to colostomy, which is usually seen in rectal cancer surgery closer to the anus and palliative treatment of some difficult-to-remove colon tumors. In order to completely remove the tumor and the surrounding possible infiltrating tissues, the surgery for rectal cancer closer to anus often involves the external anal sphincter and anal raphe muscle, which cannot preserve the function of anus, and in order to maintain normal excretion, colostomy is needed. For patients with obvious obstruction manifestation of colon cancer, colostomy should be done proximal to the obstruction site in order to solve the obstruction symptoms. For some advanced patients, if the mass cannot be removed, colostomy is also needed. Colostomy can alleviate the pain of colorectal cancer patients to a certain extent, improve the quality of survival and prolong life. The specific surgery should be operated by specialized doctors.