The invention discloses an external-use plaster for treating hyperostosis, belonging to the technical field of traditional Chinese medicines. The external-use plaster is prepared from the following raw materials: a proper quantity of radix angelicae pubescentis, ginger, safflowers, radix clematidis, olibanum, myrrh, radix aconiti, radix aconiti agrestis, herba epimedii, dendrobium, ground beetles, dragon blood, radix dipsaci, radix achyranthis bidentatae, notopterygium roots, tuckahoe, rhizoma drynariae, astragalus, cassia twigs, herba lycopodii, radix stephaniae tetrandrae, yellow lead and sesame oil. After the medicines are combined, the external-use plaster has a synergistic pharmacological effect and has the effects of expelling wind and removing cold, promoting qi circulation to relieve pain, promoting the blood circulation to remove stasis as well as tonifying the liver and kidneys. The external-use plaster for treating hyperostosis directly acts on a wounded part so as to rapidly eliminate muscle cramp, improve joint functions and relieve pain. The external-use plaster is an external-use drug and is incapable of directly injuring the kidneys and stomach of a human body, rapid in taking curative effects, capable of taking effects in the same day when being pasted, free of any toxic or side effect as well as safe and reliable.