Oil pipeline warning and protecting device

The invention discloses an oil pipeline warning and protecting device comprising a ring and N supports. The ring sleeves an oil pipeline, the surface of the ring is provided with N screw holes, each support is provided with two ends, namely a first end and a second end, the surface of each first end is provided with a thread, each first end is inserted into the corresponding screw hole, each second end is connected with a rectangular box, the N screw holes are uniformly distributed in the surface of the ring, and the surface of each rectangular box is provided with warning characters. The oil pipeline is provided with warning devices, so that the oil pipeline is not easy to damage, and further technical effect of protecting the oil pipeline is realized.