「知識管理」是一個十餘年來方興未艾的管理話題，個人、團體、企業組織紛紛投入人力、物力與科技於知識管理與創新的實踐。過去討論資訊科技對於知識管理的影響，較多著墨於軟、硬體科技設備對於知識傳遞與儲存的影響，本文認為一個人如果能夠依靠自己的知識和所接觸到的知識來解決問題，就是知識管理的重要捷徑之一。本文則從社會網絡的人際網絡觀點討論公務人員如何建立個人知識網絡，以實踐個人知識管理。 本文認為公務人員在以社會網絡觀點進行知識管理時，做法包括個人的知識盤點與分級管理，找出自己目前擁有的知識、目前需要的知識以及未來可能需要的知識之間的差異，同時試著瞭解這些類型的知識可以從哪些人、文件或資料庫取得。在個人知識儲存方面，融入標準作業流程的概念，使知識文件被系統化的儲存起來，以方便在未來減少重複利用的難度。

Knowledge management is a very popular management topic. No one doubts that bettter management of knowledge within the organization will lead to improved innovation and competitive advantage. Individuals, groups and businesses all allocate resources in the utilization of knowledge management and innovation. Yet, public orgizations seem to be less active in the practice of professional knowledge management and the information exchange of cross-boundaries activities. Employees’ personal connections can be as valuable as their individual knowledge base. Social network helps maximize a company's collective smarts. In this study, I try to use the perspective of social network to explain and analyze the application of knowledge management in the public sector. I will focus on the concept and practice of tacit knowledge exchage and share. Finally, I will describe the strategies in realizing personal knowledge mangement in the public sector.