For the refuge countermeasure of people in need of aid during disasters, the means of evacuation conduct by automobile and evacuation behavior which depends on the geographic condition of the region should be examined from both sides of hard and soft disaster prevention. In this study, firstly from the survey on the actual preparation of old people to the disaster, the necessity of evacuation guidance by automobile in aging society is clarified. Secondry, Using the simulation which could reproduce the evacuation behavior by walking and cars, evacuation guidance methods by car for the vulnerable person in the disaster are discussed on the road circumstance of the region.