The invention relates to an antenna production method based on 3D printing. The antenna production method based on 3D printing is prominently characterized in that antenna impedance is tested in real time in the printing process, and impedance feedback control is applied, so that finished antennas are guaranteed to meet the impedance requirements. The antenna production method based on 3D printing adopts a 3D printing mode and tests the antenna impedance in real time, compared with the original manufacturing of loop antennas, the antennas adopt a self-feedback impedance mode and has the prominent characteristics of being simple in realization, low in cost and accurate in impedance.