The present disclosure relates to methods related to robot services, related systems, and readable storage media. According to some embodiments of the present disclosure, there is provided a method, including: acquiring images of an area to be served, wherein the area to be served includes serviceable grids obtained by performing equal-area grid division on the area to be served; performing pedestrian recognition on the images to acquire pedestrian heat of each serviceable grid within the preset time period; and marking a serviceable grid with the pedestrian heat exceeding a preset threshold and serviceable grids within a preset range centered on it as grids to be served, obtaining a sub-area to be served composed of the grids to be served.