The invention discloses a multichannel temperature gradient method RRR testing sample rod which comprises a regulation rod, wherein the regulation rod is a long tube and is provided with a sealing screw cap and a sealing flange, a transition metal plate is vertically welded with one end of the regulation rod, the middle part of the transition metal plate is hollowed out, the transition metal plate is connected with an insulation sample table through a connecting rod, a Cernox thermometer is fixed on the insulation sample table, and a thermometer routing hole and twenty wiring terminals are also arranged on the insulation sample table. The multichannel temperature gradient method RRR testing sample rod disclosed by the invention has a simple structure and is easy in operation; and with the adoption of the multichannel temperature gradient method RRR testing sample rod, sample temperature is rapid and stable to control, and the accuracy and precision are high, thus greatly improving the working efficiency.