A new technique and its application, which are the shunt resistance thmocurrent temperature compensation investigated and applied professionally for the problem of the mismatch between the thermocouple and its compensation wire in the thermometry circuit,are presented in this paper. Test and application have testified: It is possessed of very good effects on the part of compensating the mismatch errors of temperature indication decreasing the errors of measuring system, correcting the true oven temperature and making it a change of good temperature response characteristics. The applied effect and investigation of the new technique,and the method of systematic adjustment and verification are emphasized in this paper.