The invention discloses a plaster for treating arthritis and hyperosteogeny, and relates to a Chinese medicinal plaster for treating arthritis and hyperosteogeny. The plaster is characterized by comprising the following raw materials in part by weight: 200 to 500 parts of kusnezoff monkshood root, 200 to 500 parts of incised notopterygium rhizome, 200 to 300 parts of arisaema root, 200 to 300 parts of dahurian angelica root, 100 to 300 parts of corydalis root, 200 to 400 parts of Chinese angelica, 100 to 200 parts of dried ginger, 200 to 400 parts of nutgrass galingale rhizome, 50 to 100 parts of borneol, 200 to 500 parts of pubescent angelica root, 200 to 300 parts of root of pseudo-ginseng, 100 to 300 parts of rhubarb and 100 to 300 parts of ephedra, wherein the raw materials are prepared into the plaster by a conventional method. Moreover, self-heal, Chinese starjasmine stem, ground beetle, scorpion, cassia twig, parsnip, grass-leaf sweelflag rhizome and rosin also can be added. The medicament has the advantages that: 1, the preparation process is simple, and the medicament is convenient for production; 2, the pain stopping effect is good, the healing rate is high, and proved by 278 cases of clinical experiments, the total effective rate is 99.3 percent; 3, because the pure Chinese medicinal formula is used, the medicament has low toxic or side effect; and 4, the cost is low, so the medicament is easily accepted by patients.