The campus visual interactive platform based on unity virtual reality technology is a platform for multiple digital display through the development of computer graphics, virtual reality technology, VR interactive hardware programming, Unity3D engine and other development technologies, combined with the digital needs of different majors. It aims to meet the needs of various professions for digital display through one platform, and provide customers with multi-dimensional digital display methods such as visual data, super-realistic spatial experience, digital simulation, scenic spot reproduction, and architectural reproduction. One of our major features is the combination of online platform and offline store display to provide the best visualization solutions. This work is a virtual campus visual interaction platform built with the author's alma mater as the background. Users can enter the roaming system through VR glasses. Click "PLAY" on the main interface to enter the campus scene. First, they face the gate of the university. Next to the gate, there is a notice board for the 100 anniversary of the founding of the Party. After entering the school gate, you can see the plan of the campus, and can enter the campus navigation system through the floor plan, so that the first-time experiencer can quickly understand the campus layout; Close to the teaching building, through the interactive function, you can watch the teaching building's data; The virtual class system is currently under development. Wear VR glasses to make the class close at hand. The virtual stadium allows students to experience the joy of sports in the virtual environment. Details, passing by different teaching buildings, you will hear the voices of teachers of different majors. There are birds singing in the park. Passing by the lake, the breeze is coming slowly, the water is not booming, and you are intoxicated and linger.