The purpose of this study is to investigate the relationship between preschool teachers job stress, directors emotional leadership, and organizational commitment perceived by the teachers, and to examine the correlation of each variable and then relative influence. The subjects of this study were 386 preschool teachers in Busan Metropolitan City and its surrounding areas. In order to measure the job stress of preschool teachers, this study used the measurement tool of Shin, Hye-young (2006), the measurement tool developed by Kwon Jeong-hae and Kim Pan-hee (2014) to measure the emotional leadership of directors, and the measurement tool developed by Allen and Meyer (1990) and revised and supplemented by Ku Hye-young and Kim Mi-ye (2010) to measure organizational commitment. The results of this study are as follows: First, overwork among sub-factors was highest in terms of preschool teachers perception of job stress. Second, the higher preschool teachers job stress, the lower directors emotional leadership and organizational commitment perceived by the teachers were lower, and the more directors emotional leadership perceived by the teachers, the higher organizational commitment was. Third, organizational commitment was influenced most by social recognition competence among directors emotional leadership perceived by the teachers, in terms of the effect of preschool teachers job stress and directors emotional leadership perceived by the teachers. This study is meaningful in that it provides the basic data for the growth of the teachers to improve the quality of education by taking into consideration all the organizational commitment and job stress of preschool teachers, as well as directors emotional leadership.