The utility model relates to an adjustable oil transfer arm. The problem that in the prior art, when a connector of an oil transfer arm is connected to a ship, it is troublesome is solved. Technical key point is that the device is characterized by comprising a base, the utility model discloses an adjustable oil transfer arm. CONNECTING ARM, the connecting arm is connected with a joint; a fixing part is arranged on the connecting arm in the length direction of the connecting arm; the joint is arranged on the fixed part in a sliding manner; the joint can slide along the length direction of the fixed part; the end, close to the connecting arm, of the connector is connected with a telescopic pipe. The end, away from the connector, of the telescopic pipe is connected with the connecting arm. Compared with the prior art, the connector has the advantages that a worker can more conveniently and accurately align the connector to a borrowing opening in a ship, due to the fact that the connectingarm is connected with the connector through the telescopic pipe, fluid can still circulate in the connecting arm and the connector when the connector moves, the worker can operate the connector moreconveniently, and the working efficiency is improved.