Floating type natural gas liquefaction/gasification equipment for transportation/filling ship berthing of liquefied natural gas

The invention provides floating type natural gas liquefaction/gasification equipment for transportation/filling ship berthing of liquefied natural gas. The floating type natural gas liquefaction/gasification equipment comprises a floating berthing dock, a natural gas liquefaction/gasification device, a crew living house and a positioning and anchoring device, wherein the floating berthing dock consists of a U-shaped tank body; a connecting base plate is arranged at the bottom of an opening; the natural gas liquefaction/gasification device is arranged on the floating berthing dock and contains a natural gas liquefaction/gasification production device and a storage tank; the positioning and anchoring device contains anchor chains for mooring, quick release hook devices, mooring pipes and mooring bitts. The floating type natural gas liquefaction/gasification equipment has the advantages of good flexibility, low cost, high benefit and the like, and provides reliable equipment for exploiting associated gas of a gas field and an oil field.