A method for transmitting data via wireless backhaul network, comprising: connecting, by a terminal, with an access station of wired backhaul through at least one path corresponding to a bearer, wherein there is at least one access station of wireless backhaul on any path, and an air interface of a respective one of the terminal, the access station of wired backhaul and the access station of wireless backhaul corresponds to a set of underlying protocol combination comprising a Radio Link Control, RLC, layer, a Media access Control, MAC, layer and a physical, PHY, layer; and transmitting, by the terminal, data with the access station of wired backhaul through the at least one path; characterized in that, after connecting with the access station of wired backhaul through at least one path, the terminal performs one or all of following processes: process 2: the terminal performs a quality measurement on a path between the terminal and at least one access station of wireless backhaul connected thereto, and after determining that the quality meets a deterioration condition according to a result of the quality measurement, the terminal reports to the access station of wired backhaul; process 3: after there is a path of which Radio Link Control, RLC, transmission reaches a maximum number of retransmissions, the terminal reports to the access station of wired backhaul. connecting, by a terminal, with an access station of wired backhaul through at least one path corresponding to a bearer, wherein there is at least one access station of wireless backhaul on any path, and an air interface of a respective one of the terminal, the access station of wired backhaul and the access station of wireless backhaul corresponds to a set of underlying protocol combination comprising a Radio Link Control, RLC, layer, a Media access Control, MAC, layer and a physical, PHY, layer; and transmitting, by the terminal, data with the access station of wired backhaul through the at least one path; characterized in that, after connecting with the access station of wired backhaul through at least one path, the terminal performs one or all of following processes: process 2: the terminal performs a quality measurement on a path between the terminal and at least one access station of wireless backhaul connected thereto, and after determining that the quality meets a deterioration condition according to a result of the quality measurement, the terminal reports to the access station of wired backhaul; process 3: after there is a path of which Radio Link Control, RLC, transmission reaches a maximum number of retransmissions, the terminal reports to the access station of wired backhaul. process 2: the terminal performs a quality measurement on a path between the terminal and at least one access station of wireless backhaul connected thereto, and after determining that the quality meets a deterioration condition according to a result of the quality measurement, the terminal reports to the access station of wired backhaul; the terminal performs a quality measurement on a path between the terminal and at least one access station of wireless backhaul connected thereto, and after determining that the quality meets a deterioration condition according to a result of the quality measurement, the terminal reports to the access station of wired backhaul; process 3: after there is a path of which Radio Link Control, RLC, transmission reaches a maximum number of retransmissions, the terminal reports to the access station of wired backhaul.