本文介绍PC机群搭建和并行计算技术，以使用PC机群代替大型机来完成大规模计算。现在，PC机群的发展已经成为计算机界倍受瞩目的事情,与大型机或者工作站相比，PC机群有如下优势：组装容易﹑价格便宜﹑配置随意﹑软件丰富。-This article describes the PC cluster structures and parallel computing technologies to replace the use of PC clusters to complete the large-scale mainframe computing. Now, PC clusters have become the computer industry to develop high-profile thing, compared with mainframes or workstations, PC clusters have the following advantages: easy to assemble, cheap, free, software-rich configuration.