The utility model discloses a rolled pipe oiling device which comprises a welding torch device, and is characterized in that the welding torch device comprises a main oil way, a branch oil way, and a branch gas way, wherein the convergence position of the branch oil way, the branch gas way and the main oil way is provided with a mixing room, and the end portions of the branch oil way and the branch gas way are respectively provided with governing valves. Exterior membrane oil of the rolled pipe oiling device and mixture of air are ejected out in oil mist state, and can be directly ejected on the sides of a rolled tube compared with the oil drip form, which greatly increases oiling areas, is easy to control oiling positions, and enables oil membrane on the surface of the rolled tube to be evener, and the oil ejection is controlled by a magnetic valve, which is convenient and practical.