The purpose of this study was to investigate the correlation between self-concept, clothing attitude and clothing buying behavior. The subjects used for the study were 300 male and female college students. The results of the study were as follows. The self-concept of subjects were identified four types(self-confident, positive to self, self-convinced and pessimistic). Self-confident type had the highest scores on self-concept and pessimistic type was the opposite. The clothing attitude was classified into 5 types(rational coordinative, clothing concerned, frugal, clothing showy and others conscious). Rational coordinative type and clothing concerned type were regarded more importantly than other types. The clothing buying behavior was emerged 5 types(economical, diffident, pleasure-seeking, impulsive and name-brand preferred). An economical efficiency was the most important factor in clothing buying behavior. The results of correlation between self-concept and clothing attitude showed that person who has more positive self-concept tends to have more interest and satisfaction toward clothing as well as tendency of showing off and rational coordination. The correlation between clothing attitude and clothing buying behavior showed that person who is more conscious to others tends to have more preference for name-brand products.