Abstract: The application and development of virtual experiment is the direction of development of experiment techniques and a supplement and improvement to the traditional experiment teaching mode,which is the development direction of higher occupation education to cultivate high-quality talents.According to the teaching characteristics and teaching requirements of mould specialty,we adopted the “technical scheme of civilian”,realized the construction of the teaching of plastic mold of the virtual laboratory.The application in teaching helped to change the teaching ideas,enriched the teaching content and teaching means.