First aid methods for infant asphyxia are as follows: 1. If you can cough when asphyxiated, choking and coughing can also relieve asphyxia or expel foreign bodies from the trachea, the rescuer can keep the infant in a prone position, or the rescuer can sit on a chair and let the infant lie prone on his or her lap, patting the back can relieve asphyxia. 2. 3, if the choking can not be effectively solved by the above methods, you should immediately go to the hospital for first aid.