Air embolism is usually very rapid once it occurs because it is very rare clinically, but once it occurs, it requires urgent resuscitation treatment in a hurry. Especially when deep water divers float to the surface, air embolism is likely to occur, and pregnant women in obstetrics and gynecology are also prone to air embolism during and after labor and delivery. Air embolism suddenly appears as impaired consciousness with convulsions and even hemiparesis, and can appear as irritability, extreme fear, blue lips, difficulty in breathing, and even fall into shock soon. Therefore, after the immediate appearance of air embolism, the patient should be quickly put into resuscitation procedures. The disease has a rapid onset, is serious, has a high risk factor, and is prone to death, so cardiopulmonary resuscitation should be given as soon as possible, and the diagnosis should not be delayed, missed or misdiagnosed. The high risk factors of air embolism should be given high attention, especially for diving athletes and maternal delivery, and appropriate resuscitation preparations should be made to avoid accidents.