A method and an apparatus for selecting a network by user equipment (UE) are provided. The method includes the following steps. A connection is established between a UE and a network. The UE receives network selection information from the network-side entity, and selects a network according to the network selection information and network selection information stored in the UE. Optionally, the UE receives network selection information and an indication for selecting a network compulsively from the network-side entity, and selects a network indicated by the indication for selecting a network compulsively to access according to the network selection information. The network selection information is information of the whole or partial networks available for the UE in the current position. A user apparatus and a network selection function apparatus are also provided. By application of the network selecting method of the present invention, the network is capable of controlling the scope of the access network selected by the UE.