There has been a little bit of dark black blood for 20 days after uterine fibroid surgery, which may be due to common postoperative complications, poor closure of vaginal stump, and malabsorption of enterolysis line. 1. Poor closure of vaginal stump: after uterine fibroid surgery, due to poor closure of the stump, prolonged light bleeding produces brown secretion. Once prolonged inflammatory stimulation, it may lead to the production of granulation tissue and small polyps, which may increase the amount of bleeding once lightly touched. 2. Malabsorption of enterosolized thread: after the surgery for uterine fibroids, the suture enterosolized thread used in the stump is malabsorbed and needs to be discharged, which leads to a small amount of bleeding and brown secretion. 3. Common postoperative complications: if the uterus recovers poorly after the uterine fibroid removal surgery, infection may lead to dark black blood in the uterus, and it is recommended that the patient seek medical treatment in time. The uterine fibroid surgery for 20 days has been a little dark black blood, you need to go to the hospital for a clear diagnosis, by the doctor according to the specific conditions, to formulate individualized diagnosis and treatment plan, so as not to delay the condition.