It is said that airway management is an important part of lifesaving at the prehospital care for a seriously ill emergency patient. We performed the training of endotracheal intubation for an emergency medical technician, and in this report we discussed the results of trainings and examined 3 cases of endotracheal intubation in the emergency situation after training. Various kinds of problem arose through this training, for example, difficulty to get the consent from patients, overlap of a case for clinical resident and emergency medical technician, large responsibility of the anesthesiologist as a teaching staff. In addition, there may be no useful case for lifesaving at the emergency situation in 3 cases of endotracheal intubation. We consider that it may be difficult, but possibility cannot deny if endotracheal intubation by emergency medical technicians contribute to lifesaving rate improvement from viewpoint of prehospital care.