This article explains the significance of "virtual-actual combination" teaching mode of virtual simulation experiment, construction content of "virtual-actual combination" teaching platform on the basis of " virtual simulation experiment teaching center of machinery foundation and textile equipment design" construction work in school of mechanical engineering in Tianjin Polytechnic University, taking dynamic performance analysis simulation module of high speed and mixed-phase device as example, the implementation effect of "virtual-actual combination" is expounded, and the "virtual-actual combination" teaching platform construction of machinery foundation and textile equipment virtual simulation experiment center are prospected.