Low back pain and abdominal pain are not unique to menstruation. Pelvic congestion usually occurs before the onset of menstruation, and some people will experience low back pain and abdominal distension, and the symptoms disappear after the onset of menstruation. Other factors can also cause back pain, abdominal pain, such as endometritis, pelvic inflammatory disease, ovarian cysts, uterine fibroids, gastroenteritis, etc. It is recommended to temporarily observe, if the back pain, abdominal pain can not be relieved or gradually aggravated, you need to go to the hospital gynecological internal diagnosis and ultrasound to further clarify the cause of the disease. During this period of time, we need to pay attention to rest, pay attention to abdominal warmth, eat a light diet, avoid cold, stimulating food, relax, do not stay up late.