Lumbar sensation of prolapse may be caused by lumbar diseases, gynecological diseases, menstruation, pregnancy and other factors. 1. Lumbar diseases: when patients suffer from lumbar disc herniation, lumbar spinal stenosis, lumbar spondylolisthesis and other diseases, resulting in lumbar spine compression, causing muscle weakness and pain in the lumbar region, which in turn leads to lumbar soreness and drooping feeling. 2. Gynecological diseases: If the patient suffers from pelvic inflammatory disease, endometritis, vaginitis, ovarian inflammation and salpingitis, etc., which is accompanied by the change of vaginal secretion, due to the invasion of inflammation, the patient will show a feeling of sagging waist. 3. Menstruation: During menstruation, the hormones in the body will fluctuate significantly, accompanied by endometrial shedding and bleeding, pelvic organ congestion, edema and other factors, there will be a feeling of sagging in the waist. 4. Pregnancy: If you are pregnant, the enlarged uterus will exert pressure on the surrounding tissues and structures, thus creating a feeling of sagging waist. There are many reasons for this symptom, if it is difficult to relieve, it is recommended that the patient go to a regular hospital in time, under the guidance of the doctor, according to the patient’s specific condition, take targeted treatment.