The purpose of this study is to analyze the differences of attitudinal body image and clothing behavior according to the body cathexis. The data were collected via a self-administered questionnaire from 419 male and female college students in Jechon and analyzed by factor analysis, cluster analysis, t-test and regression. The results of this study were as follows : 1. Male students were more satisfied with their body than female students. Also it was found that height influenced to the body cathexis only to male students. 2. Attitudinal body image and clothing behavior classified into four factors. 3. Male and female students classified into satisfied and unsatisfied group and each group showed different attitudinal body image and clothing behavior. 4. Different attitudinal body images affected to the clothing behavior according to body cathexis and gender.