Firstly the mainstream knowledge capital management models based on different disciplines are analyzed and their limitations are indicated. Secondly, the following hypotheses are raised, that is, the knowledge capital in corporation is just as the quality in corporation, the knowledge capital management is just as the quality management. This is a dynamic process management. Thirdly, in order to offer a road map for the domestic corporation implementing knowledge capital management, the knowledge capital management model realizing four key Sub processes is constructed. These sub processes involve knowledge capital creation, solidification, evaluation, and knowledge asset value. Finally, taking Jiangsu Electric Power Design Institute as an example, the actually application status of the management model is analyzed.