Disclosed is a device for diagnosing and treating pelvic organ prolapse, including a measurement stick configured to protrude into a vagina, a distance measuring mechanism for measuring the distance from an end portion of a protruding end of the measurement stick to a hymen edge of the vagina, and an assessment mechanism. The distance measuring mechanism is connected with the assessment mechanism. The assessment mechanism includes buttons, a memory, a CPU and a display which are connected with the CPU, respectively. The device for diagnosing and treating pelvic organ prolapse provided by the present disclosure can be used in a rapid, convenient and accurate manner, which not only saves a great amount of medical resources, but also alleviates the pain index of patients during diagnosis and treatment.
