The invention provides a metal medium cooling treatment device. The metal medium cooling treatment device comprises quenching tanks, a liquid collecting tank, a filter, a pump and air coolers, wherein two quenching tanks, namely, a first quenching tank and a second quenching tank, are arranged at the left side of the metal medium cooling treatment device; overflowing pipes are arranged at the lower ends of the quenching grooves, and the tail ends of the overflowing pipes are connected to the liquid collecting tank; the filter is arranged above the liquid collecting tank; a first pipeline extends from the right side of the upper end of the filter into the liquid collecting tank; a detachable net type filtering cover is arranged at the tail end of the pipeline; the pump is arranged at the left side of the filter and is connected with the filter through a second pipeline; two air coolers, namely, a first air cooler and a second air cooler, are connected to the left side of the pump from right to left; the first air cooler and the second air cooler are interconnected through a guide pipe; the bottom part of the second air cooler is connected to the second quenching tank through the guide pipe; the bottom parts of the air coolers are connected with heat conducting pipes for recovering heat energy.