IT is the high-tech industry. It has an important position in our national economy. However, knowledge workers have been the important resource and dominant force in an IT enterprise. So attract and train the excellent knowledge workers to give full play to their potential is an important factor that determines the long-term development of an IT enterprise. First of all, this paper analyzed the features, requirements and incentive factors of knowledge workers in IT enterprises. Secondly, this paper pointed out some problems of incentive mechanism. Finally, this paper proposed some incentive strategies via an example.