According to the survey, 50%-75% of maternity will have low back pain, which is related to the special physiological changes of pregnant women during pregnancy, maternal back pain, more did not pay attention to the details of life during pregnancy and postpartum, some dangerous movements exacerbate low back pain, so experts say that to prevent postpartum low back pain, should be done from pregnancy. Pregnant women should not gain too much weight during pregnancy, which will increase the burden on the pregnant woman’s waist and is likely to cause back pain. Generally speaking, a weight increase of 25 pounds throughout pregnancy is appropriate. Pregnancy and childbirth should pay attention to rest, do not make the body overworked, often long standing, squatting, sitting, etc., can lead to lumbar muscle strain, inducing lumbago. Generally speaking, pregnant women should not lie on their backs, thought side lying good, especially in the left side lying position feel the most comfortable, in order to let the whole body relax, you can put a cushion pillow between the legs. If you still feel that the back seems “empty”, you can also put a small pillow on the back, you can lean on it. “Pregnant women are not too many pillows on the bed, as long as they feel comfortable”. When pregnant women get up from bed, go slowly and orderly to avoid tension in the abdominal muscles. Before getting up on your back, turn your body on the bed into a side position, lean forward with your shoulders, bend your knees, then support your body with your elbows and arms, move your legs away from the side of the bed and sit up. Diagnosis of maternal low back pain needs to be distinguished from which diseases Pregnant women’s pubic bone pain Pregnant women’s pubic bone (located at the junction of the root of the thigh and the lower abdomen) is painful or sore during pregnancy. Low back pain after sexual intercourse, too many births, too many children or too many miscarriages, but other tests are normal. In conclusion, through the above discussion, we know that there are various causes of low back pain, and clinically the doctor can make a diagnosis only through laboratory tests, in addition to understanding the symptoms and physical examination. Therefore, when low back pain occurs, you should go to the hospital for examination and treatment in a timely manner, and do not abuse tonic products.