Pregnancy sciatica caused by physiological causes can be relieved by appropriate rest, change position, physical methods, etc. Pathological causes, such as lumbar disc herniation, etc. caused by the need for bed rest, if necessary, need to be in the postpartum surgical treatment. 1. Physiological reasons: after pregnancy, with the growth of gestational weeks and uterine enlargement, the compression of the pelvic floor tissues will be more obvious, including muscle tissue, ligaments and pelvis, etc., which can cause sciatic pain, which can be relieved by appropriate rest, avoid standing for a long time, choose a comfortable position to rest, etc., and can also be used under the guidance of the doctor to relieve the pain by applying localized hot compresses. 2. Pathological reasons: such as lumbar disc herniation, etc., after pregnancy, lumbar spine weight-bearing increase, will aggravate the original lumbar spine disease, can be manifested as lumbar and sciatic pain, can be appropriate bed rest, avoid standing for a long time, local hot compresses and other methods to appropriate relief of pain, for the condition of the serious ones can be in the postnatal surgical treatment. Pregnancy sciatic pain need to go to the hospital in a timely manner to identify the cause and actively deal with it.