The direct screen projection system is a multi-channel large screen display system composed of multiple projectors. It has larger display size, wider field of view, more display content, higher display resolution, and more impactful and immersive visual effects than ordinary standard projection systems. It is a new type of visual display technology, which can better demonstrate the progressiveness and innovative nature of science and technology museums, museums and other exhibition methods. This system can also be applied to video playback, movie playback, and other industries such as entertainment venues and tourist attractions.