Abstract
In the vibration analysis that we use the Finite Element Model of automotive body, it will be hoped that promotion of efficiency of the measures planning for vibration reduction. However, we need much time in it because it is uncertainty that the effect on the body by modifying of transfer paths such as the body frames. Therefore I thought it allows the effective measures planning by making it clear that the response of the body contribute to what kind of vibration of transfer paths. This paper is written vibration analysis method and inspection of the validity using the sample model.