A power emergency rescue site locating method based on virtual force comprises the following steps: an area setting stage: making a target area approximate to a standard rectangle; a virtual force calculation stage: calculating the virtual force between emergency rescue sites according to the distance and position relationship between the sites to determine the moving speed and distance of the sites; a site moving stage: when each emergency rescue site moves, constraining the emergency rescue site to make sure that the distance between at least one site and the emergency rescue site is smaller than the maximum rescue distance; and a location determining stage: when a site moves to a preset target, stopping moving the site and determining a rescue site location. According to the invention, the positions of power emergency rescue sites are reasonably distributed based on the mutually exclusive force between the rescue sites and the repulsive force of the edge of the area to the rescue sites, and therefore, the waste of resources is reduced.