Placental abruption is a serious complication of late pregnancy. Placental abruption is a serious complication in late pregnancy, which develops rapidly and can endanger the lives of both mother and child if not treated in time. It is recommended that the patient go to the hospital in time. Placental abruption mainly manifests as vaginal bleeding, persistent abdominal pain, which may be accompanied by increased uterine tension and uterine pressure pain, the most obvious pain at the place of placental detachment, which may lead to shock. Placental abruption once diagnosed should be timely termination of pregnancy, otherwise it may cause disseminated intravascular coagulation, hemorrhagic shock, acute renal failure, amniotic fluid embolism and other complications, endangering the life of mother and child. In case of fetal distress or inability to end the labor within a short period of time, the doctor will perform a cesarean section to save the life of the mother and child. It is recommended that patients should go to the hospital in time if they have symptoms of placental abruption.