The invention discloses an electrochemical oxidation-iron-carbon association system for processing refractory organic waste water. The system comprises an electrochemical oxidation reactor, an anode draining pump, an iron-carbon tower, a cathode draining pump, an iron-carbon tower draining pump, a mixing pool, a mixing pool draining pump and a sedimentation tank, wherein the electrochemical oxidation reactor comprises a shell, an anode, a cathode and a power supply; the bottom of the shell is provided with a water inlet; the anode and the cathode are equivalent Ti-based micropore tube-type filter element electrodes, one end of each Ti-based micropore tube-type filter element electrode is dipped in the waste water of the shell, and the other end is connected with the power supply; the anodeis connected with the water inlet of the iron-carbon tower through a pipeline and the anode draining pump; the water outlet of the iron-carbon tower is connected with the mixing pool through the iron-carbon tower draining pump; the cathode is connected with the mixing pool through the pipeline and the cathode draining pump; the mixing pool is connected with the sedimentation tank through the mixing pool draining pump. By use of the system, refractory organic pollutants can be economically and efficiently removed, a waste water discharge standard is improved, and the resource utilization of the waste water is realized.