Eating choking, you should immediately call 120, and then perform the Heimlich maneuver until the rescuers arrive. In the age of one year and its adults if this situation can be implemented by others to rescue, with the hand quickly upward, vigorously squeeze the abdomen, until the foreign body discharge, or in the abdomen under the chest umbilicus, both hands with five fingers stacked together, palm root force quickly press the abdomen until the foreign body discharge. If there is no other person around, the method of self-help is to find a horizontal fixation with the abdomen flat up, use the object of the fixation to quickly impact the abdomen until the foreign body is discharged. In the case of a child under one year old you can pat the back five times, using the root of the palm on the back between the two shoulders, with the baby’s head from underneath, supporting the head and neck with one hand, patting or pressing with the other, and then pressing the abdomen five times. Although the Heimlich maneuver can target foreign bodies in the trachea caused by choking on food, it may also pose some hazards, and attention needs to be paid to the fact that other treatments are ineffective before using the Heimlich maneuver during resuscitation. It should be noted that the elderly body is generally worse than young people, in the application of the Heimlich maneuver is prone to injury, such as abdominal or thoracic organs of the rupture of bleeding, rib fractures and so on. Therefore, the Heimlich maneuver should be used with caution and preferably by someone with experience and training in first aid.