The incidence of postpartum low back pain is relatively high and is caused by many aspects. Physiological changes during pregnancy itself may produce low back pain, such as weight gain, ligament laxity, congestive changes in the lower pelvic lumbar region, or the original spinal and lumbar basic diseases of women friends, through the process of pregnancy and birth of babies, the original disease may be aggravated. If low back pain occurs after childbirth, you need to go to the pain department, according to the different causes of targeted treatment, in order to have better results. Female friends if postpartum lumbar pain from their own start, there can be the following measures can reduce lumbar pain, or on the medium and long term function and disease recovery is beneficial: 1, from life sitting or sleeping posture to improve, sleeping mattress and cushion needs to be relatively hard, it is recommended that the mattress try to avoid very soft Simmons mattress, and change to use a little bit of hard 10-15cm brown cushion; 2, in the breastfeeding to the baby, as far as possible, in the back of the lumbar back pads In the medium and long term, if the acute low back pain is controlled, it is necessary to carry out appropriate functional exercises, such as strengthening the strength of the low back muscles, reduce weight, try to make the body mass index reduced to a more reasonable range, the lumbar load bearing and load reduction is conducive to the recovery; 4, if the severe low back pain, especially with lower limb nerve dysfunction or numbness, or even the cauda equina nerve. If severe low back pain is accompanied by nerve dysfunction of the lower limbs or numbness, or even cauda equina invasion, urinary and fecal dysfunction, it is necessary to go to the pain department or orthopaedic department as soon as possible for timely consultation, and to carry out reasonable treatment according to the cause.