Integrated structure of methanol fuel system of container ship

The invention discloses a container ship methanol fuel system integrated structure which comprises a methanol fuel cabin, a stepped inner shell structure, a local upper isolation cabin adjacent to a broadside walkway, a methanol filling station enclosure located on the broadside of a main deck and a broadside double-shell empty cabin. A methanol fuel treatment system equipment enclosure room on a main deck, a local top isolation cabin on the main deck and a stepped inner shell structure are located between a broadside double-shell empty bin and a methanol fuel cabin, and a methanol filling station enclosure room on the broadside of the main deck is located between broadside aisles and above a local upper isolation cabin. The local top isolation cabin on the main deck is positioned between the methanol filling station enclosure room and the methanol fuel treatment system equipment enclosure room; the methanol fuel cabin is adjacent to the cabin of the container ship, is located in front of the cabin and is as