The invention discloses a traditional Chinese medicinal preparation for treating kidney deficiency type lumbar disc herniation and a preparation method thereof. The traditional Chinese medicinal preparation is prepared from the following raw medicinal materials: physalis angulata, costustoot, lindera aggregata, medicago polymorpha, herba aristolochiae, aspongopus, all-grass of annual saltmarsh aster, sword bean, ligusticum wallichii, turmeric, trogopterus dung, corydalis amabilis, lysimachia hui diels, salvia miltiorrhiza, achyranthes bidentata, valerian, cortex albiziae, chickweed, lucid ganoderma, yam, Japanese cayratia herb, liquorice, acanthopanax, sea-buckthorn, velvet antler, epimedium, morinda officinalis, eucommia ulmoides, rhizoma curculiginis, cistanche, dodder, walnut kernel, tuber fern, redspot swertia herb, semen allii tuberosi and astragalus membranaceus. The traditional Chinese medicinal preparation has the beneficial effects of tonifying kidneys and essence, regulating qi and relieving pain, is mainly used for treating kidney deficiency type lumbar disc herniation, and has the advantages of quick acting, high effective rate, exact curative effect, short course of treatment, no toxic or side effect, low price and the like.