A method for positioning a user equipment, wherein the method comprises: acquiring a round trip time and information about an angle of arrival of the user equipment relative to a serving base station that serves the user equipment, wherein the information about the angle of arrival comprises information about a horizontal angle of arrival included between an antenna beam and a horizontal reference line and information about a vertical angle of arrival included between an antenna beam and a vertical reference line; and performing positioning to obtain three-dimensional location information of the user equipment according to the round trip time and the information about the angle of arrival, characterized in that after the performing positioning to obtain three-dimensional location information of the user equipment according to the round trip time and the information about the angle of arrival, the method further comprises: determining one or more reference base stations; respectively acquiring information about an angle of arrival of the user equipment relative to each reference base station, and respectively determining a calibration baseline corresponding to the information about the angle of arrival of the user equipment relative to each reference base station; and calibrating the three-dimensional location information according to each calibration baseline and using three-dimensional location information obtained after the calibration as new three-dimensional location information of the user equipment. acquiring a round trip time and information about an angle of arrival of the user equipment relative to a serving base station that serves the user equipment, wherein the information about the angle of arrival comprises information about a horizontal angle of arrival included between an antenna beam and a horizontal reference line and information about a vertical angle of arrival included between an antenna beam and a vertical reference line; and performing positioning to obtain three-dimensional location information of the user equipment according to the round trip time and the information about the angle of arrival, characterized in that after the performing positioning to obtain three-dimensional location information of the user equipment according to the round trip time and the information about the angle of arrival, the method further comprises: determining one or more reference base stations; respectively acquiring information about an angle of arrival of the user equipment relative to each reference base station, and respectively determining a calibration baseline corresponding to the information about the angle of arrival of the user equipment relative to each reference base station; and calibrating the three-dimensional location information according to each calibration baseline and using three-dimensional location information obtained after the calibration as new three-dimensional location information of the user equipment. determining one or more reference base stations; respectively acquiring information about an angle of arrival of the user equipment relative to each reference base station, and respectively determining a calibration baseline corresponding to the information about the angle of arrival of the user equipment relative to each reference base station; and calibrating the three-dimensional location information according to each calibration baseline and using three-dimensional location information obtained after the calibration as new three-dimensional location information of the user equipment.