Abstract: With the rapid advance of information process,how to prevent the leakage of e-commerce information,and the prevention,monitoring and forensics of e-commerce information security has become the research focus.The Multi-Agent technology and component/architecture technology were applied to design the e-commerce monitoring system.To the single-issue negotiation issue among multi-agents,a linear and nonlinear utility functions were proposed.Aim to the multi-issue negotiation issues among multi-agents,the Ma-type weighted utility function was constructed.These utility functions can contribute to the rapid negotiation of different agents.It also illustrates the overall architecture.The system has been widely used in many companies,and achieved very satisfactory results.