Abstract: Based on the principle of network traffic capacity statistics of website cluster or multi-website,network traffic capacity statistics of website cluster or multi-website analysis system was designed:by means of three-layer design patterns (entity,data accessing,service logic),a layered architecture of the system is presented which realizes traffic capacity statistics of website cluster or multi-website and improves distinctly the performance of the system in load capacity,efficiency and stability.The system can provide a reference for revising or optimizing the strategy of network marketing for user and administration authority.