Pelvic floor hernia is relatively rare in clinical practice. Due to its insidious onset and uncharacteristic symptoms, clinicians seldom consider pelvic floor hernia when facing such conditions. However, when it is found or diagnosed clearly, it usually affects the life of patients. Surgery is the only way to solve the series of symptoms caused by pelvic hernia. Modern medical research is devoted to developing new biological materials, which can fit human tissues, reduce adverse reactions and achieve permanent repair of pelvic hernia. The patient, surnamed liu, female, 56 years old, suffered from uncontrolled discharge of a small amount of feces from the anus when urinating, and the course of the disease lasted for more than 1 year. Diagnosis: pelvic floor hernia.