This studies were engaged to investigate the effects of internal marketing in Food Service Industry on job satisfaction, organizational commitment, and turnover intention of employees. Customer satisfaction was very important in surviving and prospering of Food Service Industry and one of good method getting competitive advantages. However, a strong customer satisfaction is preceded by employee satisfaction in that service is delivered by face-to-face contacts with customers. Therefore, this study explores that internal marketing increase job satisfaction, organizational commitment, and turnover intention. Also this study investigates that organizational commitment gets higher by providing turnover intention decreases by providing job satisfaction and organizational commitment. In order to attain the purpose of this study, first, this dissertation processed literature reviews, second, research model was designed and hypotheses were extracted, third, to test hypotheses, 303 questionnaires were analyzed. The samples are employees that work at family restaurants in City of Dae-gu. The results were summarized as follows. The First, The Job satisfaction, Organizational commitment, and turnover intention were affect by internal marketing of Food Service Industry. The Second, Turnover intention of employee were affected by their Job satisfaction. The Third, Turnover intention of employees was affected by their Organizational commitment.