本文介绍了在Windows平台下串行通信的实现机制，讨论了根据不同的条件用Visual C++ 设计串行通信程序的三种方法，并结合实际，实现对温度数据的接收监控。 -This article describes the serial communication under Windows platform for the realization of a mechanism to discuss the different conditions used in accordance with Visual C++ The design of serial communication program in three ways, combined with the actual temperature data to realize the receiver monitor.