External use composition for treating rheumatic bone diseases and preparation method

The invention discloses an external use composition for treating rheumatic bone diseases and a preparation method. The external use composition consists of the following raw materials in parts by weight: 15-25 parts of centellae herba, 15-25 parts of common clubmoss herbs, 15-25 parts of radix puerariae, 15-25 parts of Chinese taxillus herbs, 15-25 parts of paniculate swallowwort roots, 15-25 parts of speranskia herbs, 5-10 parts of radix aconiti preparata, 5-10 parts of medicinal cyathula roots, 15-25 parts of geranium herbs, 10-18 parts of notopterygium incisum roots, 10-15 parts of radix angelicae pubescentis, 10-15 parts of thallus laminariae, 2-4 parts of camphor and 2-4 parts of safflowers. The preparation method comprises the steps of mixing the raw materials to obtain black plaster. The external use composition disclosed by the invention not only has the efficacy of promoting blood circulation for removing blood stasis and diminishing inflammation and pain, and has obvious treatment effects of symptom