Due to the different definition of stillbirth and the inconsistency of social development around the world，the incidence of stillbirths varies greatly.The available data confirm that although the causes of stillbirth are complicated，＜28 weeks of stillbirths are more likely to be related to fetal malformations and pregnancy complications；≥28 weeks of stillbirths are more likely to be related to pregnancy complications，especially FGR；stillbirth during delivery is mainly related to clinical monitoring and improper treatment.To strengthen screening and comprehensive management of high-risk patients with stillbirth is expected to reduce the incidence of stillbirth.