The main purpose of this study is to explore the impact of leadership authoritarian behavior on employees' job satisfaction. Data are collected through the questionnaire network, and SPSS software is used to analyze the feasibility of variables such as demographic background variables, authoritarian leadership, team security, differential atmosphere and job satisfaction. The expected research results are: leaders choose the leadership style that meets their own management needs, which can improve employees' job satisfaction, reduce employees' turnover rate and improve employees' job performance.