Asphyxiated patients need to immediately clear the blockage of the airway, such as food asphyxia must try to restore the airway, the specific methods are as follows four: first, hollowing method, if the pharynx is blocked by a small mass of objects can quickly propped open the mouth, using fingers to pull out the asphyxiation. Second, the application of the Heimlich method of impact, let the patient stand rescuer behind the patient, the abdomen, two fingers on the umbilicus as the impact point, one hand holding an empty fist, the other hand held in the upper part of the palm backward, inward continuous knocking 6 times, until the foreign body flushed out through the Heimlich impact method. Third, take the drainage method, put the patient in the head low 45-90 degrees position can be food or gastric contents along the body drainage out. Fourth, you can also do the method of patting the back, patting the patient’s internal double scapular area through the downward and upward airflow to make the foreign body discharge. If choking is not relieved by the four methods of clearing the airway obstruction, cricothyroid puncture and tracheal intubation and tracheotomy can be established.