A method for grouping user equipments (UEs) in proximity services restricted discovery, used in a communications system, including: broadcasting, by a first user equipment (UE), a UE discovered signal for being discovered, wherein the UE discovered signal includes a first group code corresponding to the first UE; receiving, by a second UE, the UE discovered signal and comparing the first group code with a second group code corresponding to the second UE; and transmitting, by the second UE, a comparing report to a network when the first group code and the second group code are the same.