Abstract: 3DsMAX is used to establish model for various components of positive pressure oxygen respirator, and the Virtools development platform is used to set up the interactive positive pressure oxygen training system. The training system can be utilized for training the rescue team member, and the training courses include basic knowledge, composition principle, equipment dismounting, prewar examination, device usage, maintenance and troubleshooting etc. It can provide friendly user interface and convenient operation training environment to rescue team member, and it can greatly increase the training efficiency and fighting ability of rescue team member.