Aiming at the problems of low aeeuraey caused by uneven heat dissipalion and diferenees in heatdissipation coelficient between upper and lower surfaees of copper disk in the measurement deviee for them maleon duetivity of bad conduclors, an important comprehensive thermal experiment in universities , self-made watereireulation device with the help ofwater cooling exchanger. The deviee was improved by installing two 40 * 80 *10(mm) and five 40 * 40 * 10( mm ) cooling guide blocks at the boltom of the cooling dise to achieve uniommheat dissipation and colleet and process data.The results show that the first improved method is belter ,and theexperimental aecuracy has inereased by 9. 15 times. On this basis, based on the Seebeck effect ofsemieonduetors,the waste heat of heating disk and cooling disk was used to suecessfully change the latter fromload to power supply , and a green and environmentally friendly power generation mode - temperalure dilfereneepower generation deviee is designed, with the “light” of LED and the “ sound" of jasmine musie and the" futtering in the wind" of DC motor driven by fan blades blowing. And the volt ampere characteristie curves olthree types of load terminal voltages and temperature differenees , as well as linear and nonlinear components were analyzed.