Abstract: By studying the combination of virtual reality technology and forest fire prevention technology, taking the experimental forest farm of Shanxi Forestry Vocational and technical college as an example, this paper elaborates the technical route and technical process of making forest fire prevention virtual simulation system, a complete set of forest fire prevention system is designed and developed through virtual reality technology, which can be used for the training and teaching of Forest Fire Prevention Specialty and forest fire prevention personnel, and to improve the training personnel’s accomplishment and practical skills, it plays an auxiliary role in improving the efficiency of forest fire prevention and reducing the loss of forest fire.