A local network connection method, apparatus, and system, where the method is applied to a control plane node, and includes: receiving a location area identity sent by an access node, where the location area identity is sent by the access node when receiving an access request sent by a user equipment, and is used to indicate a location area in which the user equipment is currently located; determining at least one local network identity based on the location area identity, and sending the at least one local network identity to the user equipment; receiving a connection establishment request sent by the user equipment, where the connection establishment request carries a first local network identity selected by the user equipment based on the at least one local network identity; and establishing a connection between the user equipment and a first local network based on the first local network identity.