The invention discloses a traditional Chinese medicine for treating kidney-deficiency uterine prolapse and a preparation method. The traditional Chinese medicine comprises the following raw materials: astragalus mongholicus, caulis spatholobi, cuscuta chinensis, fructus lycii, a himalayan teasel root, morinda officinalis, rehmannia glutinosa, raspberry, cowpea, broomrape, herba pyrolae, memorialis, cynomorium songaricum, orchis, nothopanax delavayi, asiatic striga herb, fructus polygoni orientalis, rhizoma cyperi, triplostegia glandulifera wall, hypoxis aurea, Chinese yam, schizophragma integrifolium, fructus corni, cuttlebone, acalypha australis, rhizoma cimicifugae, liquorice and pomegranate bark. The medicine has the benefits that the medicine has effects of tonifying qi, and tonifying a kidney for relieving desertion, mainly treats the kidney-deficiency uterine prolapse, has a good curative effect, is simple and convenient in preparation technology, small in toxic and side effect and convenient to administer, can reach a focus, and has a shorter treatment course; the kidney-deficiency uterine prolapse has low possibility of recurrence after curing; and an agent is easy to manufacture and low in cost.