PURPOSE: A liquefied gas storage tank arranged in parallel is provided to stably support inflow pipes and to economically sail by reducing weight thereof. CONSTITUTION: A liquefied gas storage tank arranged in parallel(110) comprises a pipe support structure(120). The pipe support structure supports a pipe entered into the tank from the ceiling of the tank. The pipe support structure is protruded from one side wall(110a) of the storage tank. The pipe support structure comprises a vertical member(121) and a horizontal member(122).
