Women who experience back pain during or after sex are considered to be caused by the following possibilities: First, adenomyosis, the effects of adenomyosis can lead to significant back pain and abdominal pain after coitus, which is considered to be caused by the increasing uterus compressing the lumbosacral nerves. Second, chronic pelvic inflammatory disease, sexual life and after sex will appear waist pain, can be accompanied by abdominal pain aggravation, exertion or diet spicy, stimulating food, abdominal pain aggravation and lumbar pain performance. Third, the consideration is lumbar muscle injury and lumbar disc herniation caused by the abnormal performance, after coitus its lumbar pain will be aggravated, before and after coitus will be repeated lumbar pain symptoms, from the point of view of traditional Chinese medicine is the manifestation of renal deficiency, treatment should be based on tonifying the kidneys.