The invention belongs to the technical field of plaster preparations, and in particular relates to an external plaster for analgesia and bone strengthening, which consists of kaempferia liquid extract, musk, menthol, methyl salicylate, leopard bone, chondroitin sulfate, borneol, Diphenhydramine hydrochloride, camphor, zinc oxide, rosin, lanolin, vaseline, transdermal enhancer, thickener, emulsifier, rubber, transdermal enhancer includes main agent and auxiliary agent, of which the main agent is N Combination of lauryl dimethylamino-n-butyrate with any one of α-bisabolyl alcohol, ferulic acid and glycerol monopentyl ether, the auxiliary agent is trioctylmethyl ammonium chloride or 1-bromide Butyl-3-methyl-imidazole. The plaster for external use of the invention has very obvious analgesic and bone-strengthening effects, and at the same time has good transdermal absorption rate, quick effect, effective ingredients in the plaster are not easy to volatilize, and the plaster has good viscosity and uniform quality. At the same time, it is made into an emulsified slurry and then coated with glue to make the ingredients of the external plaster more easily absorbed by the skin.