The full name of ECMO is extracorporeal membrane pulmonary oxygenation, commonly known as artificial lung, which is a kind of medical emergency technology equipment used for the treatment of critical illnesses, mainly to provide patients with continuous extracorporeal respiratory and circulatory functions to maintain the life of critically ill patients when they have cardiopulmonary failure, so as to win precious time for resuscitation. For critically ill patients with ineffective conventional treatment and impaired kidney function, ECMO can undertake the task of gas exchange, while its blood pump can replace the pumping function of the heart to maintain blood circulation, so it is a kind of emergency technical equipment for treating critical illnesses.