The invention provides an inter-cell telephone traffic equalization method and device, and a server. The method comprises the steps: obtaining KPI data of a plurality of cells; determining a high-load cell and an adjacent cell, which carries out telephone traffic equalization with the high-load cell, from the plurality of cells according to the KPI data; and carrying out the telephone traffic equalization of the high-load cell according to the KPI data of the high-load cell and the adjacent cell. The method and device and the server do not need manual operation in the whole process of telephone traffic equalization, and greatly improve the processing efficiency of telephone traffic equalization.