Recently, several high-profile doctor-patient disputes have involved \”amniotic fluid embolism.\” What exactly is amniotic fluid embolism? What is the pathogenesis? How to carry out effective rescue? Can it be prevented? In this regard, Lu Junli, director of the obstetrics department of Beijing Chaoyang Hospital, recently said in an interview with relevant media that amniotic fluid embolism is a bit like a plane crash. The incidence rate is very low, but once it occurs, the fatality rate is extremely high. Lu Junli said that amniotic fluid embolism is a series of allergic reactions caused by the mother to fetal antigens after amniotic fluid enters the maternal circulation. It is similar to penicillin allergic reactions, but faster than penicillin allergic reactions. She further analyzed and found that amniotic fluid circulates through veins