Pregnant women’s back pain is usually caused by special physiological changes during pregnancy, which can be relieved by adjusting posture, regular activities, the use of assistive devices, etc. Some pregnant women may experience back pain due to pathological changes in the lumbar vertebrae, which should be treated by a doctor in a timely manner. After pregnancy, with the increase of pregnancy, the uterus increases, the lumbar need to support the strength of the increasing, resulting in the uterine ligaments for a long time stretching and relaxation, compression to the pelvic blood vessels and nerves, resulting in a lot of pregnant women to appear lumbar pain symptoms, especially to the middle and late pregnancy is more obvious. For pregnant women due to special physiological changes caused by low back pain can be intermittent changes in body posture, to promote blood circulation, relieve muscle fatigue, so that the symptoms of low back pain can be relieved. Regular and light activities for pregnant women can also help reduce tightness and pain in the lower back muscles. The use of assistive devices, such as non-elastic abdominal belts, can help reduce low back pain in pregnant women. In addition, for some pregnant women due to pathological changes in the lumbar spine lumbago, it is recommended to go to a regular hospital to follow the doctor’s instructions for treatment, as appropriate, follow the doctor’s instructions for bed rest, you can use hot compresses, baking lamps and other physical therapy for the pain of the lumbar region. Pregnant women with back pain, it is recommended to consult a doctor in a timely manner, to exclude pathological factors, daily attention to work and rest, not blindly take painkillers on their own, in order to prevent harm to the health of the fetus.