The invention discloses a thawing tank for bagged frozen foods. The thawing tank comprises a tank body, vapor tanks, a vertical rotating cylinder, a rotating shaft and a plurality of supporting plates, wherein a motor tank is mounted at the bottom of an inner cavity of the tank body; a motor is mounted in the motor tank; the output end of the motor is connected with the rotating shaft; the external part of the rotating shaft is fixedly connected with the vertical rotating cylinder; a rotating cylinder inner cavity is arranged in the vertical rotating cylinder; the supporting plates are mountedin the inner cavity of the tank body; through holes are formed in the side wall of a contact position of the bottom of the vertical rotating cylinder and the motor tank; cold water drainage tubes aremounted at the upper part of the motor tank; each through hole is connected with the corresponding cold water drainage tube; a heat preservation cavity is arranged outside the inner cavity of the tank body, and is connected with high-pressure nozzles; and the vapor tanks are respectively arranged on the left side and the right side of the tank body. The thawing tank disclosed by the invention isreasonable in structure and convenient to operate; thawing the bagged frozen foods can be accelerated, the thawing efficiency is improved, and the purpose of being energy-saving and environmentally-friendly are also realized; and besides, a large number of water resources are also saved.