1) Patient, Huang, female, 49 years old, from Jilin City, Jilin Province. admitted to Jiangsu Provincial People’s Hospital on November 3, 2014. (2) She had rectal cancer in 2011 and underwent rectal cancer anus-preserving surgery in an outside hospital, and 1 week after surgery, she found that her stool was discharged from the vagina, and was diagnosed with rectovaginal fistula and underwent terminal ileal diversion. She was diagnosed with rectovaginal fistula and underwent terminal ileal rerouting. She had one unsuccessful rectovaginal fistula repair and the fistula remained untreated afterwards. She visited several major hospitals but was not hospitalized. (3) On November 11, 2014, a tension-free repair of rectovaginal fistula (modified Bacon procedure) was performed under general anesthesia. The right lower abdominal ileostomy was returned, the large intestine and fistula in the pelvis were removed, the left hemicolectomy was freed, and the colon was pulled out through the anus. The operation went smoothly with about 100 ml of bleeding. 4) The colon outside the anus was removed in December 2014, and defecation from the anus was resumed.