The invention provides a formula for reunion of bone. The technical scheme for solution is that the formula comprises the following raw materials percentage by weight: boron ash, red peony root, jute,radix achyranthis bidentatae, Chinese angelica, myrrh, cucumber seed, dragon's blood, cinnabar, ground beetle, radix dipsaci, safflower, ligusticum wallichii, catechu, borax, nux vomica, notoginseng,fortune's drynaria rhizome, cassia twig, sappan wood, frankincense, native copper and musk; the formula has the effects of promoting blood circulation to dispel blood stasis, and reducing swelling andeasing pains. The formula can be used for treating soft tissue injuries, fractures, and the like, strengthening bones and muscles, repairing fractures, removing blood stasis, repairing bones and muscles, treating internal injuries, blood stasis pains and traumatic hemorrhage, reducing swelling, warming meridians to promote blood circulation, promoting qi circulation to relieve swelling, activating meridians to stop pain, promoting granulation, astringing sores, removing toxic materials, and preventing corrosion.