Container processing device.

Problem to be solved. To provide a novel container process device capable of evenly adjusting both of storage amounts of treatment water tanks installed in a heating zone and a cooling zone when operating a processing device for containers such as pasteurizers for a long time. Solution. A container processing device 1 of the present invention is provided with each of treatment water tanks 4 in a heating zone Z1 and a cooling zone Z3, respectively, being configured to circulate the treatment water W to each other by transferring the treatment water W reserved in the treatment tank 4 in the heating zone Z1 to the cooling zone Z3 to act on objects T to be treated while the treatment water W reserved in the treatment tank 4 in the cooling zone Z3 is transferred to the heating zone Z1 to act on the objects T to be treated. Also...