Choking on food is divided into two cases, one is because the food is not fully chewed into the esophagus caused by foreign bodies, often manifested as a foreign body feeling, swallowing difficulties; one is because the food accidentally into the trachea caused by foreign bodies in the airway, often manifested as choking or breathing difficulties, choking and coughing, and even respiratory arrest, the consequences are unthinkable. If there is no one around, please use the Heimlich method to save yourself, use your hand to make a fist to impact the sword or use the corner of a chair or table as a tool to hit the abdomen. If the patient is older, still conscious and able to stand, the rescuer should wrap his arms around the abdomen from behind the patient, thumb to the patient’s upper abdomen, and hold the other hand with one hand to impact and compress the abdomen, repeatedly.