The purpose of this study is to grasp the outline of Driving Pleasure and to estimate Driving Pleasure by analysis of driver behavior especially for the pleasure to the controllability of a vehicle. At first, the experiment to measure the mental condition of a subject is carried out by using a domestic car. The subject andwered subjective rating at the time with feeling for pleasure or displeasure. We found out some possiblilities about the pleasure to the controllability of the vehicle by analysis of feed forward steering control