碩士 開南管理學院 企業管理研究所 93 After the Main-Board industry gone through all the growing up by a wide margin in 1987 to 1999, it has being changed from high profit industry into mature one﹐entering to so called Post-PC Era. Among the environment of competition aggressive industry, main-board factory owners master the core of competition in research and produce. By way of integrating computer shell and power provider industry horizontally it results in new Bare-Bone System computer market and launches separate industry hostility. This research applies the analytic structure of data envelopment analysis（ DEA） to probe into the analysis of tactical patterns and management strategies about Bare-Bone System market among Taiwan area’s factories in Post-PC Era in order to address feasibility studies and suggestions by according to the varied manage strategies and particularly of factories circumstances. There are 9 factories capable to produce Bare-Bone System to be this research’s targets and in accordance with public finan