The utility model discloses a separable eccentric centering device. The eccentric centering device comprises a sliding sleeve, a baffle and an eccentric centering plate, wherein the sliding sleeve is sleeved outside an oil pipe or a drilling rod body in a hollow manner; two end parts of the sliding sleeve are respectively inserted in the baffle and are fixedly connected with the baffle in the circumferential direction; the baffle is connected with the outer circle of the oil pipe or the drilling rod body through tightening screws; the outer circle of the sliding sleeve is connected with the eccentric centering plate through a screw thread; and the eccentric centering plate is provided with circulatory holes. The separable eccentric centering device solves the problem that a salvage tubular column of a conventional eccentric centering device cannot rotate around an axis per se after a salvage tool is aligned to a fish. Meanwhile, the separable eccentric centering device, disclosed by the utility model, has the advantages of being simple in structure, low in manufacturing cost, and safe as well as efficient to use.