Abstract
Organizational Behavior theories regard social organization as an organism that will grow up and pass away. In order to exist in the social environment, organizations have to change partial or whole according to external or internal environment The stage of organizational transformation is following the process：stable turn into instable than turn into stable. When external and internal environment have dissatisfied with organization, they will bring pressures to make organization filling with nervous and instable. Once nervous and instable over bounds, they will disintegrate organization. In order to eliminate nervous and instable, organization must adjust itself until the situation go down. From the beginning of ITRI established, ITRI always is good partner of industrial circles and focus on technology innovation to increase the competition ability. Due to the change of economical environment, ITRI needs to focus on cross-field integration; puts more efforts on research and development to invent new technology; creates new opportunity for economic growth . This paper surveys the organization changes of ITRI from beginning to the present, uses the Punctuated Equilibrium Theory to study the key point of successful organizational transformation. Keyword：ITRI, Organizational Transformation, Punctuated Equilibrium Theory, Single Case Study