Amniotic fluid embolism is a very serious complication in obstetrics. The disease is caused by a severe allergic reaction in the mother due to the entry of fetal cells, fetal fat or fetal stool in the amniotic fluid from the veins of the placenta into the mother’s bloodstream during labor. Typical symptoms of amniotic fluid embolism are an acute syndrome characterized by a sudden drop in blood pressure, tissue hypoxia and consumptive coagulopathy. 1. Cardiorespiratory failure and shock: Dyspnea and cyanosis soon appear. There is coughing, spitting pink foamy sputum, fast heart rate, blood pressure drops or even disappears. In a few cases, there is only a scream and then cardiac and respiratory arrest and death. 2.Hemorrhage: large amount of vaginal bleeding mainly systemic bleeding tendency, such as mucous membrane, skin, pinhole bleeding and hematuria, etc., and the blood does not clot. 3.Acute renal failure: due to the lack of oxygen in the kidneys, oliguria, dysuria, hematuria, azotemia, and death can occur due to renal failure; when the brain is deprived of oxygen, the patient can experience irritability, convulsions, and coma. Amniotic fluid embolism can occur after rupture of fetal membranes, during or after delivery, during induction of labor by oxytocin drip, or in the case of mid-pregnancy induction of labor, etc. The performance varies, with some mothers suffering from sudden agitation, chills, vomiting, choking, respiratory distress, cyanosis, and rapid shock, and some suffering from unexplained, uncontrollable hemorrhage. In cases of rapid onset, death can occur within minutes.