Food asphyxiation blocks the airway thus causing difficulty in breathing. The most effective method of airway obstruction is the Heimlich maneuver. If the patient is an adult and awake, you can stand behind the patient, make a fist with both hands, hold the thumb of one hand against the upper abdomen of the patient, and forcefully impact the upper abdomen inward and upward so that there is a pressure in the chest cavity, prompting the airway to expel the gas to the mouth, thus prompting the food to be spit out into the mouth. In addition, if the patient is unconscious or unable to stand or sit, he or she can be given a lie down and use both hands to shock the patient’s upper abdomen to achieve the above effect. In addition, if the patient is obese or pregnant, it is not suitable to press the abdomen, you can press the chest cavity. However, when pressing the chest cavity, you need to pay attention to the lower part of the sternum, pressing the rib cage will easily lead to fractures, and generally pressing the chest cavity can also achieve the above-mentioned effect.