With the rapid development of Internet, electronic commerce has become one of the major business form in the daily life of people, it is increasingly important through the network of electronic payment transactions and the security issues. This thesis based on the description of framework of the e-commerce security system, analyse the SSL protocol on the structure and working principles of the current e-commerce activity in the presence of a variety of security risks and vulnerabilities. The SSL protocol flaw, security and the SSL certificate from an application point of vulnerability are explored. And Puts forward ideas in corresponding to the next generation SSL protocol on the future development.