随着电子商务的发展 ,基于 Web的电子支付系统成为目前 Internet研究的热点 .其中 ,安全性和经济性是其关键所在 .据此 ,本文首先提出了一种具有二级安全结构的基于 VPN技术的电子支付系统体系结构 ,并在具体实现的基础上对其安全性及性能进行了验证 With the development of e-commerce, Web-based electronic payment system has become the hotspot in Internet research at present, in which the key is security and economy.Therefore, this paper first proposes a VPN technology based on VPN with two-level security architecture Of the electronic payment system architecture, and on the basis of the specific implementation of its security and performance were verified