Pediatric Heimlich first aid method for different age groups have different methods of operation, such as 3 years of age or less children, can be used to take the position of the head low foot high back slap method of first aid, more than 3 years of age children can kneel behind the child to operate, specific as follows: 1. For children under 3 years of age can let the child ride across the supine, head down, the operator with a hand to support the child’s neck and head, the head and neck position is fixed, and then the child’s arm on the operator’s thighs, the operator uses the other hand in the middle of the child’s shoulder blades patting, generally 5 times for a group. 2. For children over 3 years old, adults can kneel behind the child, hands between the child’s navel and sternum, backward and upward force, abdominal pressure to promote the discharge of foreign bodies. It is recommended that while using the Heimlich maneuver, the child’s condition should be observed and should also be sent to the hospital for examination.