This study is based on the viewpoint of global commodity chains(GCC), to discover the network activities of bicycle industry in Taiwan. But, due to the keen competition , the phenomenon of ¡uHyper-archy competition¡vemerge in bicycle industry . The so called¡uHyper-archy competition¡vindicate that parts factories skip the middle stratum of industry and with the result to promote their competitiveness ; or tighten the original network activities of cooperation , to advance the reachness and richness of information .Namely , to break down the original line-type supply chain relationship of the bicycle industry , transcend the limits of hierarchy and to develop more complete and more diversify network relationship . For this reason , this study focus on the cause and effect of ¡uHyper-archy competition¡v, and to generalize some suggestions to the future.