Embodiments of the present invention relate to a method for establishing a bearer for a machine to machine service and a network transmission device, where the method includes: receiving a user plane resource establishment request message sent by an MTC device, where the user plane resource establishment request message includes at least one of MTC features, QoS requirements, a service indication request and a group identity; determining negotiated QoS parameters according to the user plane resource establishment request message; and establishing a transmission bearer with the MTC device according to the negotiated QoS parameters. The present invention provides a method for establishing a transmission bearer between a network and an MTC device.