The invention relates to a medicated plaster paste for treating rheumatic bone pain. The medicated plaster paste consists of a piece of medicated plaster cloth of 150*250 mm and a transparent isolation film of 150*250 mm; black medicated plaster of 0.3 mm is uniformly attached onto the front surface of the medicated plaster cloth, the transparent isolation film covers the front surface of the black medicated plaster, and the dosage of the black medicated plaster is 45-55 g per paste. The medicated plaster paste for treating the rheumatic bone pain, provided by the invention, is quick in curative effect and free from any toxic or side effect, has the efficacies of treating both symptoms and root causes, dispelling wind-cold, dispelling damp-heat, dispelling wind-damp, strengthening musclesand bones, promoting blood circulation to remove blood stasis, relieving swelling and pain, removing damp toxin, enhancing bone density and improving bone immunity, has a good curative effect on nephritis, kidney deficiency, lumbar pain, chronic low back pain caused by wind-cold, traumatic injury and the like, has the advantages of dissipating cold, dispelling wind, relaxing muscles, activating blood circulation, relieving pain, relieving swelling, removing necrotic tissues, promoting granulation, diminishing inflammation and relieving pain and simultaneously has a certain curative effect on rheumatalgia, low back pain, muscle pain, sprain, contusion and the like.