The utility model provides an electronic transformer temperature characteristic testing arrangement, including waiting to try electronic type electric current voltage transformer, temperature case, rise streams / stepup transformer, synchronization to the time circuit, function control circuit and voltage regulator, wherein, function control circuit is through control the voltage regulator is adjusted what rise streams / stepup transformer rises the stream / value of stepping up, messenger wait to try the percentage that electronic type electric current voltage transformer reaches predetermined rated current, rated voltage and test point, function control circuit is through control it is right that the temperature case is accomplished wait to try electronic type electric current voltage transformer's temperature cycle test, synchronous to the time circuit at interval in regular time, simultaneously to wait to try electronic type electric current voltage transformer with function control circuit sends accurate standard clock signal for complete synchronization of the two time. The utility model discloses electronic transformer's temperature characteristic can be assessd comprehensively, efficiency of software testing is improved.