The utility model relates to an underground factory building turbine oil depot oil -filtering system pipeline structure, including a plurality of oil tank, be provided with the oil inlet that is located upper portion on every oil tank and be located the oil -out and the oil drain port of lower part, the oil drain port height is less than the oil -out height, be connected with into oil pipe on the oil inlet, be connected with out oil pipe on the oil -out, the row of being connected with oil pipe on the row oil pipe, advance oil pipe and an oil feed of all oil tanks concentrate the pipe to be connected, and the play oil pipe of all oil tanks produces oil to concentrate and tub is connected with one, the oil feed concentrates the pipe to concentrate the pipe to be connected with the oil extraction house steward and the oil charge house steward of factory building with producing oil, the oil feed concentrates the pipe to go up other connecing towards the first branch pipe of oil filter import, produces oil to concentrate the pipe to go up other connecing towards the second branch pipe of oil filter export. This underground factory building turbine oil depot oil -filtering system pipeline structure labour saving and time saving reduces the waste of oil simultaneously, and the protective field environment does not receive oil pollution.