Abstract: For the defects of not easy to realize fixed trajectory, zoom in and out distortion, single style of ordinary CAD map in web pages, the technology of GIS combined with SVG vectorization features is used as base map to display staff trajectory of coal mine personnel positioning system web page, it has the advantages of beautiful page, strong operation, more reasonable and intuitive data display, zoom in and out distortionless, which can better and more accurate implement display and operation functions of personnel, equipment, trajectory of personnel positioning.