A wireless communication method, performed in a communication system using at least two air interfaces, wherein configuration information of the at least two air interfaces is different, the at least two air interfaces comprise a first air interface and at least one second air interface, configuration information of the first air interface is preconfigured in a network device and a terminal device, and the method comprises: receiving, by the terminal device, a configuration information index of a target second air interface and indication information of a target transmission resource from the network device through the first air interface, wherein the target transmission resource is a transmission resource used by the target second air interface; obtaining, by the terminal device, configuration information of the target second air interface from a predefined configuration table by using the configuration information index; receiving, by the terminal device through the first air interface, a synchronization signal corresponding to the target second air interface and sent by the network device, wherein the synchronization signal corresponding to the target second air interface and a synchronization signal corresponding to the first air interface are a same signal; and performing, by the terminal device, wireless communication with the network device by using the target second air interface and the target transmission resource, wherein the target second air interface is determined by the network device from the at least one second air interface according to related information of the terminal device, and the related information of the terminal device comprises at least one of a service type of a service accessed by the terminal device, mobility of the terminal device, or a transmission rate requirement of the terminal device. receiving, by the terminal device, a configuration information index of a target second air interface and indication information of a target transmission resource from the network device through the first air interface, wherein the target transmission resource is a transmission resource used by the target second air interface; obtaining, by the terminal device, configuration information of the target second air interface from a predefined configuration table by using the configuration information index; receiving, by the terminal device through the first air interface, a synchronization signal corresponding to the target second air interface and sent by the network device, wherein the synchronization signal corresponding to the target second air interface and a synchronization signal corresponding to the first air interface are a same signal; and performing, by the terminal device, wireless communication with the network device by using the target second air interface and the target transmission resource, wherein the target second air interface is determined by the network device from the at least one second air interface according to related information of the terminal device, and the related information of the terminal device comprises at least one of a service type of a service accessed by the terminal device, mobility of the terminal device, or a transmission rate requirement of the terminal device.