In Taiwan industrial development process, Electronic Industry is an important industry lead Taiwan economic growth. Therefore, this thesis goal is discuss the growth cause which Taiwan Electronics Industry. This research introduced in advance of development process Taiwan Electronics Industry, and use Hsu(2007) industry growth decomposition, find out the main growth causes of Taiwan Electronics Industry during 1964-2004 year, The result is showing that the export expansion for the main growth cause, next is imports for intermediate; moreover, from the import substitution of Taiwan Electronics Industry developing process, there is something different: It’s turning import substitution for imported after 1990 from import substitution for final demand before 1990.