Map updating and displaying method and device, medium and map data table

The invention discloses a map updating and displaying method and device, a medium and a map data medium, and belongs to the field of map editing. The method mainly comprises the steps of calling intermediate map element data related to a to-be-changed map element according to a change request of the to-be-changed map element; generating unique IDs of all map elements in the intermediate map element data, establishing a data storage tree corresponding to each unique ID, and generating an intermediate map element data index file; in the intermediate map element data index file, map element associated information related to the to-be-changed map element is searched for and utilized, and the map element related to the to-be-changed map element is visually output; and correspondingly changing the to-be-changed map elements in a visual output result. According to the method and the device, updating operation is performed on the intermediate map element data on the basis of performing visual display on the intermedi