The purpose of present study was to improve management performance through classification of interpersonal orientation and negative influences on management achievement of hair salons. The classification was done by examining the impact of interpersonal orientation of hairdressers, of age 20s to 30s, on the performance of hair salons. The effects of 7 sub-factors of interpersonal orientation among the 20s and 30s who work in metropolitan area hair salon were examined on customer growth, profit increase, and work ability improvement, which are the three factors of management performance. The higher the tendency of independence-responsibility and resistance-distrust was, there was a large increase in the number of customers. Moreover, the higher the tendency of social-friendliness and independent-responsibility, more was the increase in profit. In addition, the higher the tendency of dominance-suppression, and ostentation-ecstasy, more likely it was to have a positive effect on the factors of improvement in performance. Based on the results of this study, it will be possible to improve both the management performance and quality of the hairdresser's work by creating a manual that will teach interpersonal orientation necessary for the hairdressers to improve the management performance of the hair salon. In this study, although the subjects and variables were limited, it will be helpful if you study hairdressers of various regions and ages in the future to sort out the interpersonal relationship characteristics and use them to develop the hair salon industry.