The utility model discloses an automatic powerful condensed water pumping device. The automatic powerful condensed water pumping device comprises a bottom plate as well as a tank, a liquid level control cabinet and a multi-stage pump which are arranged on the bottom plate respectively, wherein a condensed water inlet pipe, a liquid level pipe and an overflow pipe which are communicated with inside of the tank are arranged at the top of the tank respectively; a water delivery valve, a liquid level valve and a drain valve are arranged on the condensed water inlet pipe, the liquid level pipe and the overflow pipe respectively; a liquid level sensor is arranged in the liquid level pipe; a signal output end of the liquid level sensor is connected with a signal input end of the liquid level control cabinet; a power control output end of the liquid level control cabinet is connected with an electric motor of the multi-stage pump; a blow-down pipe communicated with the inside of the tank is arranged at the bottom of the tank; a blow-down valve is arranged on the blow-down pipe; a water inlet end of the multi-stage pump is communicated with the inside of the tank through a water pumping pipe; a pump valve is arranged on the water pumping pipe; and a water outlet end of the multi-stage pump is connected with a condensed water outlet pipe. With the adoption of the automatic powerful condensed water pumping device, condensed water produced by a last-effect evaporation device can be discharged in time.