The purpose of this paper is to develop a model of electric engine for technology education。I wish teachers read this paper then direct students how to design and manufacture themselves electric engine。There are six chapters in this paper:theorem of electromagnetism,how to design,manufacture engine,experiment characteristic of engine。Careful theorem education、design and manufacture process guide students to learn the theorem of electromagnetism and the technology of manufacture by an easy way。This paper make students to realize the progress of technology of Second Industry Revolution and enlighten the ability of invention and creation。