In this paper, the limit of traditional software development method of the computer based on multibus structure is analyzed. A new method, which is based on IBM PC, and developed by C language, is described. 对基于多总线结构的计算机传统软件开发方式的局限性进行了分析,对一种基于IBMPc机为开发平台,采用C语言开发的软件开发方法进行了研究和探讨。