Method, device and system of selecting cell

The embodiment of the invention discloses a method for selecting cells which includes: a group calling inquiry request transmitted by a exchange equipment is received, and a corresponding group calling/broadcasting reference is looked up according to the information carried in the group calling inquiry request. When a plurality of group calling/broadcasting references satisfy the conditions, a judgment on whether a group calling/broadcasting reference with a priority mark exists is made. The group calling/broadcasting reference with a priority mark is selected and transmitted to the exchange equipment. The embodiment of the invention also discloses a system and device used for selecting the cells. By using the embodiment of the invention, when a calling user starts a voice service call inan overlapping cell, the calling user is able to choose the pre-set priority cell to have a group calling. The invention reduces a unusual situation in the network operation.