This paper discussed the trade process on Internet and provided a plan of tax-management based on SET protocol and CA.

探讨了网上交易的过程，给出了一个基于SET协议和CA 认证 的 税收 征管方案。

Tax Payment Evaluation System is a brand-new research project in modern tax-management . This system has great practical importance in monitoring tax source optimizing the service of tax paying and perfecting the taxation system .

纳税评估是 现 阶段 税收 管理 领域中一个崭新的研究课题，它对于 强化税源监控、优化纳税服务、完善征管体制具有十分重要的现实意义。