A preparation method of traditional Chinese medicine lotion for treating closed fracture with syndrome of heart deficiency and timidity belongs to the technical field of preparation methods of traditional Chinese medicines. Presently, Western medicines are generally used to treat closed fracture with the syndrome of heart deficiency and timidity, and the treatments have certain side effects. According to the technical scheme, the preparation method includes: selecting thirty-five Chinese medicinal herbs including concha ostreae, magnetite, albizia flower, thinleaf milkwort root and bark, tuber fleeceflower stem, coral, pearl, semen platycladi, tuckahoe with pine, fluorite, amur adonis herb, seed of wild jujube, pink herb, fish poison yam, shell of areca nut, muskroot-like semiaquilegia root, akebia stem, corn stigma, Pyrrosia leaf, fossilia cyrtiospiriferis, Eumeces chinensis, wax gourd peel, cluster mallow fruit, belvedere fruit, sweetscented oleander leaf, perfoliote knotweed herb, rush, lawn pennywort herb, manshurian dutchmanspipe stem, rice bean, longhairy antenoron herb, oriental waterplantain rhizome, Indian buead, Danshen root and liquorice root; soaking the Chinese medicinal herbs in water; decocting with slow fire; filtering to remove residue to obtain decoction which is the traditional Chinese medicine lotion for treating closed fracture with syndrome of heart deficiency and timidity. The preparation method has the advantages that the prepared traditional Chinese medicine liquid has low toxic and side effects, the treatment course is short, and the cure rate is high.