A feedback information transmission method, comprising: sending (101, 301), by user equipment, UE, uplink data and identity information that is corresponding to the UE to a base station, eNB; receiving (102, 303), by the UE, downlink feedback information of the UE that is sent by the eNB according to the identity information, wherein said receiving (102, 303) comprises: determining, by the UE according to a preset resource mapping policy, a downlink time-frequency resource that is corresponding to the UE, wherein the preset resource mapping policy comprises: determining, according to an uplink time-frequency resource of the uplink data sent by the UE and the identity information that is corresponding to the UE, the downlink time-frequency resource that is corresponding to the UE, or determining, according to the identity information that is corresponding to the UE, the downlink time-frequency resource that is corresponding to the UE; and receiving (102, 303), by the UE in the determined downlink time-frequency resource that is corresponding to the UE, the downlink feedback information sent by the eNB, wherein the downlink feedback information comprises a success indication information or a failure indication information. sending (101, 301), by user equipment, UE, uplink data and identity information that is corresponding to the UE to a base station, eNB; receiving (102, 303), by the UE, downlink feedback information of the UE that is sent by the eNB according to the identity information, wherein said receiving (102, 303) comprises: determining, by the UE according to a preset resource mapping policy, a downlink time-frequency resource that is corresponding to the UE, wherein the preset resource mapping policy comprises: determining, according to an uplink time-frequency resource of the uplink data sent by the UE and the identity information that is corresponding to the UE, the downlink time-frequency resource that is corresponding to the UE, or determining, according to the identity information that is corresponding to the UE, the downlink time-frequency resource that is corresponding to the UE; and receiving (102, 303), by the UE in the determined downlink time-frequency resource that is corresponding to the UE, the downlink feedback information sent by the eNB, wherein the downlink feedback information comprises a success indication information or a failure indication information. determining, by the UE according to a preset resource mapping policy, a downlink time-frequency resource that is corresponding to the UE, wherein the preset resource mapping policy comprises: determining, according to an uplink time-frequency resource of the uplink data sent by the UE and the identity information that is corresponding to the UE, the downlink time-frequency resource that is corresponding to the UE, or determining, according to the identity information that is corresponding to the UE, the downlink time-frequency resource that is corresponding to the UE; and receiving (102, 303), by the UE in the determined downlink time-frequency resource that is corresponding to the UE, the downlink feedback information sent by the eNB, wherein the downlink feedback information comprises a success indication information or a failure indication information. determining, according to an uplink time-frequency resource of the uplink data sent by the UE and the identity information that is corresponding to the UE, the downlink time-frequency resource that is corresponding to the UE, or determining, according to the identity information that is corresponding to the UE, the downlink time-frequency resource that is corresponding to the UE; and receiving (102, 303), by the UE in the determined downlink time-frequency resource that is corresponding to the UE, the downlink feedback information sent by the eNB, wherein the downlink feedback information comprises a success indication information or a failure indication information.