Abstract: ObjectiveTo investig ate the status of cesarean section(CS)andits influencing factors in pregnant women of community population in Haidian district, Beijing.MethodsA total of 1 126 puerperal women without pregnancy complications who accepted postnatal carein eight community hospitals were evaluated by questionnaire from Apr.to Oct.2007.Results55.6% of pregnant outcomes were vaginal delivery and 44.4% were CS(among which 40.2% were induced by social factors).The result of regression analysis showed that the influencing factors of cesarean section were BMI ≥25.0 kg/m²,having abortion history,pregnancy weight gain>16kg,the pregnancies them selvesand their relatves refusing to choose vaginal delivery,having insufficient acquaintance with the disadvantages of cesarean section,without labor onset at the hospitalization,obtaining nodefinite suggestion of delivery mode from obstericians,childbearing during working day, neonatal weight>3 500 g.ConclusionThe cesarean section rate in pregnant women of Haidian district is in a high level and is affected by multiple factors.