本文描述了在实时操作系统VxWorks中利用TCP实现数据通信的方法，并分别给出了客户机和服务器通信程序设计的详细过程，目前已经在我们开发的风洞测控系统中获得了应用。该方法可适用于工业控制等多方面，具有广泛的适应性。-This paper describes the real-time operating system VxWorks in the use of TCP data communication method, and were given client and server communications procedures detailed design process has been developed in our wind tunnel test and control system was applied. The method could be applied to industrial control, etc., with a wide range of adaptability.