The utility model relates to a defeated system outside liquefied natural gas accepting station, its characterized in that: it includes LNG storage tank, LNG low -lift pump, LNG gasification system, BOG turbocharging system and high -pressure compression system, the LNG storage tank is used for storing by the next LNG of external world's transportation, the low -lift pump sets up bottom in the LNG storage tank, and the low -lift pump is connected at the outside LNG gasification system of LNG storage tank with the setting through failed house steward outward by a LNG storage tank dome mouth of pipe male low pressure, BOG turbocharging system communicates with the LNG storage tank is inside through inserted the house steward who establishes by another mouth of pipe on the LNG storage tank dome, and the BOG turbocharging system exit is provided with a pressure regulating valve for pressure to BOG turbocharging system export pipeline is adjusted, LNG gasification system and BOG turbocharging system are connected with high -pressure compression system through the tee bend, after being pressurizeed to the mist by high -pressure compression system, through outer defeated pipe -line transportation to the outer pipe network of failing. The utility model discloses can the wide application outside LNG accepting station in the defeated system field.