With the progress and development of the global economy, businesses increasingly fierce competitions among the human resources have become the competition's Holy Grail. More and more studies show that employee engagement and business performance of their employees have a positive impact, and access to business performance and solve a brain drain of an effective management tool, especially in knowledge-based employee engagement. This paper summarizes the factors and knowledge workers on the basis of motivational factors, using empirical analysis to explore and validate a knowledge-based correlation analysis of employee engagement, building a knowledge-based model of employee engagement factors, providing a knowledge-based employee engagement the theory of reference, to help business managers in a targeted manner to improve knowledge management and employee engagement.