CPR operation method: 1, need to judge whether the environment is safe, for the rescuer is a safe environment. Judge the patient’s consciousness, hands pat the patient’s shoulders, and call the patient to observe any response; 2, call for help, immediately call other medical personnel to help resuscitation and carry a defibrillator; 3, determine the heartbeat respiration, unzip the outer garment, touch the carotid artery, at the same time observing the chest rise and fall, judging heartbeat respiration, such as respiratory heartbeat stops, and immediately record the start of the resuscitation time; 4, chest compressions, so that the patient goes to pillows and lies down flat To the plank bed, chest compressions 30 times, to the midpoint of the two nipple line or the two transverse fingers on the rapier as the pressure site, hands folded buckle method to the elbow joint straight, using the body’s gravity vertical downward force pressure, sternum subsidence 5-6cm, the frequency of 100-120 times / min; 5, open the airway, clean up the respiratory tract, the patient’s head to the side of one side, clean up the mouth with the right forefinger of the foreign body, open the airway, can use tilting face and lifting jaw method, can use the right forefinger to lift the mouth, open the airway, and can be used to open up the airway. You can use the tilting face and lifting jaw method, lifting jaw method; 6, the implementation of artificial respiration, visible chest rise and fall; 7, continuous cardiopulmonary resuscitation, adult single person cardiopulmonary resuscitation, chest compressions and artificial respiration ratio of 30:2, week after week until the resuscitation; if someone can be replaced, every 2 minutes to allow people to rotate for compression to ensure that the quality of compression; 8, observation of cardiopulmonary resuscitation is effective indications, observation of the heartbeat, respiration, consciousness cycle, to determine the whether resuscitation is successful.