This study aimed to investigate relationships among work ethic of the elementary school teachers, their work engagement and parents’ satisfaction. The research findings are divided into five parts. The research findings are divided into five parts. 1.Significant differences were found in the work ethic of the elementary school teachers correlated with their different backgrounds. 2. Significant differences were found in the work engagement of the elementary school teachers correlated with their different backgrounds. 3. Significant differences were found in the parents satisfaction of the elementary school parents correlated with their different backgrounds. 4.There were significant promotion for the elementary school teachers’ work ethic in their work engagement. 5.The promotion of the elementary school teachers’ work ethic in parents’ satisfaction was not been proved. 6.The promotion of the elementary school teachers’ work engagement in parents’ satisfaction was not been proved.7. Work engagement was not mediating effect between teacher’s work ethics and parents satisfaction.