Dealing with the problems that students play web games or chat on QQ during their computer practice, this paper discusses a program design and the methods to monitor students. 本文针对学生在计算机实验室进行上机实践学习的过程中玩网络游戏或使用QQ在线聊天,而不认真进行实践学习的现象,探讨了能对学生实践学习进行监控的程序设计思想及实现方法。