Today in the 21st century, the convenience of automobile transportation to human society is enormous, and there can be no society without automobiles. On the other hand, the effects of traffic accidents and social losses, which have increased with the spread of automobiles, are unacceptable problems. In recent years, the interest in safety and security has been increasing worldwide, and the purpose is to deepen the understanding of the field in the wake of traffic safety. One of the features of this course is to acquire practical knowledge such as factory tours of seat belts and child seats, introduction of advanced research, and introduction of international cases.