This is a case study to take the Top Management Team (TMT), as the main part; moreover, the point of view in the study is to apply ¡§Resource-Building Mechanism¡¨ to explore multicultural companies how effectively building resource on their practical operation in the enterprises. Gradually, the operation leads the Group into a competitive advantage with sustainable development. The secret is not in the esoteric management theories, but in the tangible and intangible resources to integrate the unity capabilities of Knowledge, Belief, and Action. By the methods of questionnaire survey and in-depth interview on the case study of the TMT in the K Company - one of the largest instant noodle food group in the world, this research aims to understand how the Belief strongly affects TMT in common interactions between CEO and TMT in the company. In addition, the research tries to realize how they integrate the idea in the process of organizational change and jointly establish the same faith and trust for the shared vision. Based on result of the research, a key factor to comprehend the maintaining growth of high-performance and competitive advantage which makes opponents hard to imitate and surpass is the tight coherence between the CEO of the company and the Top Management Team. By resolution and perseverance practice of organizational belief, it leads to a unique true essence in the strategic business actions and management. The research proposes a significant value of the unity capabilities of Knowledge, Belief, and Action for the company and provides a practicable way for future research.