The main purpose of this study was to discuss the effects of positive psychological characteristics on the individual creativity of technological university students. First, this study investigated the relationship between positive psychological characteristics, individual creativity, creative self-efficacy, and hope. Second, surveys were conducted on technological university students in Taiwan, all of whom had studied a creativity course. A total of 819 usable questionnaires were returned out of 1000 questionnaires. The latent variables were found to have good reliability and discriminant and convergent validity. The structural equation modelling analysis found that the overall fit measures in the measurement model scale passed the threshold standard. Finally, it was found that positive psychological characteristics improved individual creativity, creative self-efficacy, and hope, with the positive psychological characteristics positively affecting individual creativity, creative self-efficacy, and hope, and the creative self-efficacy and hope mediating the positive relationship between the positive psychological characteristics and individual creativity. This study sought to add to positive psychological characteristics research by providing empirical results that related positive experiences to creative thinking.