Image mosaic technology is rapidly developed as a tool of composite panoramic image,and image mosaic technology is that many images with partially overlapping area are composited to a large viewing angle and wide-format image.In this paper,the application of image mosaic technology,the status quo of its development at home and abroad and the problems which we face are introduced in detail.Finally,the future prospects of image mosais technology and some improvement ideas are proposed,which provides a reference for further prospects of image mosaic techology and some improvement ideas are proposed,which provides a reference for further study of image mosaic technology.