Abstract: One hundred and sixteen pregnant women complicated severe pregnancy induced hypertension(PIH)were admitted in our hospital through Jan,1991 to Aug,1993.88 of patients had caesarean section,the rate was 76.52%(88/116).The first four indications were severe pregnancy induced hypertension, CDP,intrauterine fetal distress and prolonged labour in succession.The purperal morbidity was 15.9%(14/88).The incidence of postpartum hemorrhage was 8%(7/88)and two patients developed HELLP syndrom resulting in one maternal death.There were two cases of perinatal mortality associating with non-operation causes.In this paper, the causes,increasing tendency of caesarean section rate,also the indications of caesarean section in severe PIH were discussed.The conclusion is:appropriately choicing caesarean section indications may have some advantages in decrease maternal and perinatal mortality.

Key words: severe pregnancy induced hypertension, caesarean section, maternal mortality, perinatal mortality