Abstract: The application of Customer Relationship Management（CRM） is more and more popular.One of CRM development direction is customer relationship analysis.The technology of data mining can help analyze customer’s behave and trend of the market.In this paper，the system of customer relationship analysis that adapting to the data mining technology is designed.A new analysis process based on flow driving mechanism that can fulfill the request of system and make the system more flexible is designed.The system can analyze customer’s behavior and trend of market.Through the analysis of this system，enterprise can identify the top customer，comprehend customer’s behave and master the trend of market.