Map data updating method and device and map data service platform and system

The embodiment of the invention provides a map data updating method and device and a map data service platform and system.The map data updating method comprises the steps that first map data are obtained, and the first map data are generated based on first production data, the first production data is data acquired by the first acquisition equipment for the target area at the first moment; second map data are acquired, the second map data are generated based on second production data, and the second production data are data acquired by a second acquisition device for the target area at a second moment; comparing the time sequence relationship between the first moment and the second moment and the precision of the first map data and the precision of the second map data to obtain a time sequence quality comparison result; and at least based on the time sequence quality comparison result, determining whether to update the second map data by using the first map data, and according to the technical scheme provided