The Heimlich Maneuver for children 0-3 years old, the operation will be different between under 1 year old and over 1 year old, respectively, you can do it in the following ways. Heimlich maneuver for children under 1 year old: Parents will face the child down, so that its body placed on the arm and leaning on the knee, then parents and then the arm against the chest, the thumb and the remaining four fingers were stuck in the position of the jawbone, while the other hand in the child’s back between the two shoulder blades pat about 5 times, and finally the child will be turned over the right way, in the child’s sternum in the lower half, with the index finger and the middle finger to press the chest for 5 times, until the foreign body spit out; Heimlich maneuver for children over 1 year old: Parents can place both hands between the child’s navel and sternum, then make a fist, hold the fist with the other hand, and finally tighten both arms forcefully and press the child’s chest to induce the child to spit out the foreign body. If parents still did not expel the foreign body after trying the Heimlich maneuver, or if there are adverse reactions such as breath-holding, dyspnea, and purple color during the first aid, they need to be sent to the hospital in time for treatment so as not to delay the child’s condition.