1. Check the child's consciousness and breathing: first check whether the child is conscious and breathing. If the child is unconscious and breathing, perform cardiopulmonary resuscitation immediately.

2. Call the emergency number: When giving first aid, be sure to call the emergency number. This will allow doctors to prepare treatment measures in advance, so that children can get treatment as soon as they arrive at the hospital.

3. Perform cardiopulmonary resuscitation: If the child is unconscious and breathing, perform cardiopulmonary resuscitation. First, lay the child flat on the hard ground, then perform 30 chest compressions and 2 artificial respiration. Press hard, but not too hard, so as not to hurt the child.

4. Dealing with ventricular rest: If the child has ventricular rest, he needs to pat his back and give artificial respiration. First lay the child flat on the hard ground, and then pat the child's back with the palm of your hand to help the child discharge foreign objects. If the child still can't breathe, artificial respiration is needed.

5. Dealing with drowning: If the child is drowning, it is necessary to lay the child flat on the hard ground, and then perform artificial respiration and chest compressions. If the child still can't breathe, he needs oxygen therapy.

Brief introduction of first aid method in heimlich;

Heimlich maneuver was invented by an American doctor, Mr. heimlich, and 1975 was named after him by the American Medical Association. It is mainly used for on-site first aid of airway foreign body obstruction, so as to prevent the occurrence of dangers such as ventricular quiescence, coma and cardiac arrest in time. Heimlich's first aid method has saved countless lives, and heimlich is known as the person who saved the most lives in the world.

According to different adaptive groups and methods, it can be divided into Heimlich abdominal impact method, Heimlich chest impact method and infant Heimlich impact method.

There are three kinds of Heimlich first aid methods, which can be divided into abdominal impact method, chest impact method and baby rescue method according to the different people and methods. The adult version of heimlich's abdominal impact method is suitable for adults and children, the child version of heimlich's abdominal impact method is suitable for children under 3 years old, and the infant rescue method is suitable for infants under 1 year old.