A wireless communications access method for use in a communication network, the communication network comprising multiple access nodes that can be accessed by a wireless terminal, wherein, the multiple access nodes comprise a first access node and one or more second access nodes, wherein the method comprises: receiving, by a core network device, a first registration request sent by the first access node, wherein the first registration request carries a device type and/or a service type of the wireless terminal; determining, by the core network device according to the device type and/or the service type of the wireless terminal and a device capability of the access nodes that can be accessed by the wireless terminal, one of the access nodes whose device capability can support the device type and/or the service type of the wireless terminal as a target access node; and instructing, by the core network device, the wireless terminal to access a network by using the target access node, wherein after the determining, by the core network device according to the device type and/or the service type of the wireless terminal and a device capability of an access node that can be accessed by the wireless terminal, an access node whose device capability can support the device type and/or the service type of the wireless terminal as a target access node, the method further comprises: if there is no access node whose device capability supports the device type and/or the service type of the wireless terminal, matching, by the core network device, quality of service that is required by the device type and/or the service type of the wireless terminal with quality of service that is provided by the access node that can be accessed by the wireless terminal; determining, by the core network device, an access node having a highest quality of service matching degree as a secondary target access node; and instructing, by the core network device, the wireless terminal to access the network by using the secondary target access node. receiving, by a core network device, a first registration request sent by the first access node, wherein the first registration request carries a device type and/or a service type of the wireless terminal; determining, by the core network device according to the device type and/or the service type of the wireless terminal and a device capability of the access nodes that can be accessed by the wireless terminal, one of the access nodes whose device capability can support the device type and/or the service type of the wireless terminal as a target access node; and instructing, by the core network device, the wireless terminal to access a network by using the target access node, wherein after the determining, by the core network device according to the device type and/or the service type of the wireless terminal and a device capability of an access node that can be accessed by the wireless terminal, an access node whose device capability can support the device type and/or the service type of the wireless terminal as a target access node, the method further comprises: if there is no access node whose device capability supports the device type and/or the service type of the wireless terminal, matching, by the core network device, quality of service that is required by the device type and/or the service type of the wireless terminal with quality of service that is provided by the access node that can be accessed by the wireless terminal; determining, by the core network device, an access node having a highest quality of service matching degree as a secondary target access node; and instructing, by the core network device, the wireless terminal to access the network by using the secondary target access node. if there is no access node whose device capability supports the device type and/or the service type of the wireless terminal, matching, by the core network device, quality of service that is required by the device type and/or the service type of the wireless terminal with quality of service that is provided by the access node that can be accessed by the wireless terminal; determining, by the core network device, an access node having a highest quality of service matching degree as a secondary target access node; and instructing, by the core network device, the wireless terminal to access the network by using the secondary target access node.