The utility model discloses a high temperature developments chemical cleaning analogue test device, including wasing media storage case, heating device, cooling device, air compressor, circulating water pump, flow control valve, washing experiment chamber and control unit, temperature control device, heating device, cooling device all install on wasing the media storage case, the flowmeter is installed on wasing experiment chamber, conductivity tester, colourity appearance, pH meter electrode are all installed and are being washd the media storage incasement, the probe part of optic fibre imager installs and is wasing the experiment chamber exit end, wash the water end (W. E. ) of media storage case and connect the entry end that washs the media storage case through the circulating water pump who connects gradually with washing experiment chamber, the air compressor output is installed on wasing the media storage case. The utility model discloses a closed recirculation design, realize chemical cleaning and control under the high temperature dynamic condition to adopt colourity appearance and optic fibre formation of image etc. To provide the reference for the control of cleaning process and node.