With the post-disaster psychological crisis has aroused wide attention, psychological first aid which can relieve psychological trauma and prevent post-traumatic disorder has been valued by many countries. However, mainly domestic psychological first aid training is simply theoretical training while its popularizing rate is low, it is urgent to learn from international experience to carry out more effective psychological first aid training. In the context of combination of medicine and industry, the paper majorly embodied virtual simulation’s potential in improving psychological intervention ability, deep learning level and self-efficacy. Furthermore, the paper analyzed and illustrated theoretical basis and function module of constructing psychological first aid training platform in detail, and prospected further improvement, which laid foundations for follow-up studies.