a method and device for reporting antenna calibration information and determining antenna calibration factor are provided by the present invention . when reporting the antenna calibration information , a user equipment estimates the downlink equivalent baseband channel from a plurality of antennas of the base station to the ue ; according to the equivalent baseband channel , determines the amplitude response and delay value to be reported , and then reports the amplitude response and delay value to the base station . when determining the antenna calibration factor , according to the uplink signal sent by the ue on the base station - directed time - frequency resources , the base station determines the amplitude response and the delay value ; according to the amplitude response and delay value reported by the ue and according to the amplitude response and delay value determined by the uplink signal , the base station calculates the antenna calibration factor . because the ue pre - processing process is added , the sensitivity degrees to the channel estimation error and to the channel doppler extension are reduced .