Method and device for selecting gateway

The embodiment of the invention provides a gateway selection method, which comprises the following steps that: a mobile management entity (MME) acquires type information, which is used for indicating the type of the access terminal, of an access terminal; and the MME determines the type of the access terminal according to the type information and selects a packet data network gateway (PGW) for the access terminal according to the type of the access terminal, so a data flow between a donorE-UTRAN NodeB (DeNB) and a core network PGW is reduced, and the backhaul resource of the core network of an operator is saved. The embodiment of the invention also provides a mobile management entity.