Trauma is the leading cause of maternal death due to nonobstetric factors, accompanied by high maternal and fetal mortality. Blunt injury is a common type pf maternal trauma. The fetus needs to be considered in the treatment, but the pregnant woman should be evaluated and treated first, and the trauma assessment and treatment process consistent with adults is followed. This article describes the anatomical and physiological changes of pregnant women and their impact on trauma treatment, including maternal trauma assessment, fetal assessment and emergency surgery.