计算机网络的发展使信息的传递更加方便、快捷。在众多的Internet用户中 ,大部分用户使用的是拨号连接入网方式 ,通过公用网的用户面临着需要对电信局付费的问题 ,如何准确地记录用户的上网时间 ,是所有上网用户所关心的问题。本文参照现有的拨号软件 ,提出了一种新的记录计费的方案 ,通过在国家授时中心取得的标准时间 ,准确地记录用户的上网时间 The development of computer networks makes information transmission more convenient and faster. Among a large number of Internet users, most users use the dial-up connection to access the network. Users who access the public network face the problem of paying the bureau. How to accurately record the user’s access time is a concern of all Internet users . With reference to the existing dial-up software, this paper presents a new billing accounting scheme that accurately records the user’s online time through the standard time obtained at the National Time Service Center