详细介绍了在Windows环境下应用VC++实现PC机与单片机的几种串行通信方法，给出了用Visual C++6.0编写的PC机程序和用C51编写的单片机通信程序。经实际应用系统运行稳定可靠。 -Described in detail in the Windows environment application VC++ implementation of the PC computer and several single-chip serial communication method, given by Visual C++6.0 prepared and PC machine procedures prepared with C51 single-chip communication program . Through the practical application of stable and reliable system operation.