With the progress of the times, the social attention to mental health has been continuously improved, which has led to the continuous development of psychotherapy technology. Some newly developed treatment technologies have made up for the limitations of traditional psychotherapy technology and in many aspects made major breakthroughs. Virtual reality technology is a psychotherapy technology developed in recent years. It combines with traditional psychotherapy technology to adjust psychological disorders and improve the therapeutic effect.Virtual reality system has good immersion, interactivity and conception. At present, clinical psychologists abroad have applied virtual reality technology to the treatment of anxiety disorder, post-traumatic stress disorder, eating disorder, sexual dysfunction and other psychological disorders, and achieved remarkable results. This paper introduces the related research and treatment of these aspects, summarizes the advantages and disadvantages of virtual reality technology in psychotherapy, and looks forward to the future.