To decrease the mortality of pregnant and lying- in woman at 21th century, the investigation has been madeinto the death that was about 428 pre gnant and lying - in woman at age 10 ~ 50 in Shanxi province from 1995 to 1999. Theresult shows the dead number of pregnant and lying - in woman was 78.87 per 100 thousand the living number. From it we alsosee the mortality of the order group at age 30 ~ 40 is 100% high than the younger group at age 21 ~ 30. Also the mortality of inthe suburban is higher than in the urban, and higher in the mountain area than in the ~. Mortality of parturition is higher athome and in hospital of counts than in regional hospital, mortality kept high from 1995 to 1999. The primary dead reason ofphysician and surgical disease of pregnant and lying- in woman is vascular disease. Pregnant accompanied anemia. Disease ofrespiration exhaustion brain blood vessel disease. Pregnant accompanied hepatic disease, kidney broken compensation. Theprimary dead reason of obstetrical disease is postpartum hemorrhage, amniotic em~lism, DTC. Pregnant induced hypertensionsyndrome, puerperal- fever infection and placenta be detained.