本文使用Java串口通信技术和JSP技术，对已有的短信系统进行研究，分析系统存在的问题，改善系统提取短信方法、提高系统性能、实现定时发送短信功能，并应用于Windows平台下的Web系统中-This article uses Java serial communication technology and JSP technology, the existing messaging system to study, analyze system problems, improve the system extracts SMS methods, to improve system performance, the realization of regular text messaging features, and applied under the Windows platform Web System