Laparoscopic surgery has important advantages and is widely performed by gynecologists and other surgeons. Along with great strides in laparoscopic surgical techniques, serious complications such as bowel perforation or injury are also rising. This study is to report the case of bowel injury and its laparoscopic repairingtechnique as well. A 32-year-old Korean nullipara was referred to our department because of a chronic pelvic pain and infertility with recurrent failure in in vitro fertilization and embryo. She underwent laparoscopic ovarian cystectomy at other hospital in 2009 and was diagnosed with endometriosis, ASRM stage IV. Laparoscopic finding showed left ovarian cyst with severe adhesions among uterus, bowel, both adnexa and peritoneum. We performed laparosopic left salpingo-oophorectomy, ureterolysis, peritonectomy, and laparoscopic adhesiolysis. An accidental bowel perforation was occurred during the laparoscopic adhesiolysis between sigmoid colon and left pelvic peritoneum. We performed successful laparoscopic repairing techniqueof the injury sitewith interrupted delayed absorbable sutures in inner transmural layer interrupted non-absorbable suturesin outer seromuscular layer. Laparoscopic primary repair of bowel is feasible for women with bowel injury by well-trained surgeons.