Under the condition of global economy integration and rapid development of information technique, the customer has become the most important resource of the enterprise. If we can effectively use the customer knowledge, we then can make the customer relationship management to correctly match the customer's needs, and make the enterprise's development to well accord with the market needs. So there are more and more enterprises trying to enhance their competence ability through the customer knowledge management. Although the scholars and practitioners have carried on extensive researches about the customer knowledge management, the application study of the customer knowledge management has not accorded with the practice. Therefore, this paper puts forward the improvement tactics about the application of the customer knowledge management based on the system model of the customer knowledge management in order to provide theoretical instructions for the enterprise practice.