International commercial harbor is being in international, liberal and global conflict. It is facing the pressure of domestic and overseas market¡¦s competition. The enterprises need to reform the organization urgently. Harbor organization is researching to change from the enterprising organization of transportation into administrative legal person. The characteristics have the autonomy of personnel matters and utilize human resource flexibly. It is realized by way of implementing functional flexibility, numerical flexibility, temporal or working-time flexibility, wage or financial flexibility. The object is to serve for shipping company and increases employees ¡¦organizational adaptability, job efficiency, employees¡¦ productivity, service quality, personnel cost reduction and achieving budget target. At the same time, the organization utilizes flexible strategy have to consider the employees who have realized the change of job conditions. BY adjusting employees¡¦ work attitude which including job satisfaction, job involvement and organizational commitment etc. And then, it will increase organizational performance really. The study surveys the case organization which is the employees of the Kaohsiung Harbor Bureau (KHB). It utilizes employees¡¦ questionnaires to survey the influences of organization performance during the period of the strategy of implementing organization reform. The study finds the following results: 1. The perception of employees has significantly influences on organizational performance. 2. The functional flexibility has significantly influences on organizational performance. 3. The numerical flexibility has significantly influences on organizational performance. 4. The temporal or working-time flexibility has significantly influences on organizational performance. 5. The wage or financial flexibility has significantly influences on organizational performance. 6. The employees ¡¦different point of view on human resource utilization strategy will produce some differences due to different characteristics. According to the research result, implementing human resource flexible utilization which has significantly influences on organizational performance mostly. But different point of view on the strategy of human resource utilizing still have differences due to different characteristics. The KHB needs various kinds of improvable action to integrate employees¡¦ different point of view by communicating and coordinating with employees. Let employees understand the organizational reform is very important. It is in favor of organizational performance and increasing competitive power.