External composition for treating bone disease and preparation method of external composition

The invention discloses an external composition for treating the bone disease and a preparation method of the external composition. The external composition is prepared from the following bulk pharmaceutical chemicals in parts by weight: 18-25 parts of chinese angelica, 8-13 parts of safflower, 14-18 parts of rhizoma chuanxiong, 18-25 parts of drynaria total flavonoids, 18-25 parts of clematis chinensis, 18-25 parts of radix astragali seu hedysari, 18-25 parts of clematis chinensis, 18-25 parts of radix notoginseng, 18-25 parts of corydalis yanhusuo, 3-8 parts of olibanum, 3-8 parts of myrrh,3-8 parts of borneol, 14-18 parts of paniculate swallowwort root, 4-10 parts of camphor, 8-13 parts of radix aconit and 15-20 parts of eucommia ulmoides. The preparation method comprises the steps that after all the bulk pharmaceutical chemicals are mixed uniformly, then soaked for 2-4 h and fried through high heat for 3-5 h, supernatant liquid is taken and concentrated, and base materials are added to make a paste. The e