To provide a PCB resolution system that is extremely safe and is reduced in size to be mounted on a vehicle for transportation on a general road.

The PCB resolution system 100 includes: a storage tank 1 for temporarily storing oil that contains PCB (PCB-containing oil 10); a reaction tank 3 for accommodating the PCB-containing oil 10 supplied from a storage tank 1 to resolve the oil therein; a processing liquid feeder 2 for feeding alcohol 20 into the reaction tank 3; a first medicine feeder 4 for feeding a fine powder mixture 40 of metal calcium powder and calcium oxide into the reaction tank 3; a second medicine feeder 5 for feeding a catalyst 50 into the reaction tank 3; a finished liquid tank 6 for accommodating a finished liquid 60 produced in the reaction tank 3; and a separation tank 7 for accommodating the finished liquid 60 fed from the finished liquid tank 6 to separate the liquid into alcohol 21 and waste oil 70.