The invention provides a reduction furnace oxygen lance device. The reduction furnace oxygen lance device comprises a lance body and a lance brick. A through hole is formed in the center axis of the lance brick. An air flow distributor is arranged at the front end of the interior of the through hole. A first cooling channel and a second cooling channel are formed in the lance brick. The lance body comprises a central tube, a first sleeve and a second sleeve. The central tube, the first sleeve and the second sleeve are coaxial. The central tube is sleeved with the first sleeve. The first sleeve is sleeved with the second sleeve. The service life of the reduction furnace oxygen lance device can be prolonged from seven days in the prior art to about sixty days, the production cost is greatly lowered, and resources are saved.