Abstract After Joining WTO (World Trade Organization), being in international, versatile and global conflict, it is critical for enterprises to research new organization architecture and management in flexible way. That is to say, the functional flexibility, numerical flexibility or wage flexibility plays a very important role to improve capability, reduce cost and increase profit. Nevertheless, the strategy will be meaningful to improve performance when closely connecting with employees¡¦ satisfaction and involvement. This study is developed via the questionnaires on the highest executive and basic employees from 40 branches of case company. To investigate the interaction effect between human resource flexibility and performance by the highest executive survey, and to investigate the interaction effect between job satisfaction and job involvement after flexibility strategy executed by the employees¡¦ survey. Finally the analysis was done by reliability analysis, descriptive statistics analysis, one-way Anova (analysis of variance), correlate analysis and regression analysis, and find the following results: 1. The functional flexibility has significantly influences on organization performance. 2. The wage flexibility has significantly influences on organization performance. 3. Different point view on human resource flexibility will happen due to different characteristic. 4. After human resource flexibility executed, different organization performance will happen due to different characteristic. 5. Different point view on wages flexibility will happen due to different characteristic. 6. After wage flexibility executed, different job attitude will happen due to different characteristic. 7. After wage flexibility executed, job reward satisfaction has significantly effect on job attitude. According to the research result, we find a safe and fair wage reward system will have significant effect on employees¡¦ job satisfaction and job involvement. ¡§No pain, no gain¡¨, a friendly consideration will enable to improve organization performance.