Abstract: The present invention is to provide a solid oxide fuel cell test apparatus for a solid oxide electrolysis cell with a tubular evaporator furnished in the fuel delivery mechanism of the solid oxide fuel cell test apparatus being connected in serial to an external water supply, and the tubular evaporator having multilayer porous internal filler material may facilitate the inflow of water to be uniformly diffused and heated, providing a stable water vapor for introducing into the fuel cell with the fuel, mitigating adverse effects caused by pulse voltages to the fuel cell during high-temperature water electrolysis hydrogen test, so that more reliable test is achievable in order to obtain a solid oxide fuel cell with hydrogen generation from the water electrolysis.