Abstract: One-day ticket quantity at the railway 12306 website was broken through 5 millions during the Spring Festival. The 12306 website could be able to meet a large quantity of ticketing demands during the Spring Festival.Because the ticket to plug-in was becoming more prevalent, around the ticket fairness pulled many topics. This article analyzed the verification code identification, user behavior analysis, mobile phone application security, expounded how to prevent malicious rob ticket plug behavior, given some specific solutions.