The purposes of this paper were to investigate the effect of customer orientation on salespeople performance and the effects of sales training on customer orientation and salespeople performance. Data were obtained from 297 apparel salespeople working at 6 department stores in Daegu, Statistics used for data analysis were frequency, t-test, ANOVA, and regression analyses. The unanticipated result was found that the customer orientation of salespeople did not influence their performance. Though there was found the significance of the anticipated results that sales training affected customer orientation and salespeople performance, the results were not strong.