The invention discloses an oil applying device for a steel wire rope. The oil applying device comprises a rope pressing tile, an oil wiper and a post-deformation device which are sequentially arranged in the moving direction of the steel wire rope; an oil spraying pipe is fixed above the rope pressing tile, an oil collecting tank is arranged under the rope pressing tile and the oil wiper, and a circulating oil pump is arranged in the oil collecting tank and communicated with the oil spraying pipe through an oil delivery pipe; an oil collecting disc is arranged under the post-deformation device by cooperating with the length of the post-deformation device, the oil collecting tank is provided with an oil return hole, and one end of the oil collecting disc is communicated with the oil collecting tank through the oil return hole. According to the oil applying device for the steel wire rope, all the parts are integrated into a whole, and the whole device is tidy and attractive; meanwhile, in the oil applying process, oil does not splash, a coating is uniform, oil is recycled as much as possible and saved, and the production cost is reduced.