The invention relates to a traditional Chinese medicinal preparation for treating common nerve compression syndrome in loin cavity caused by hyperosteogeny. The preparation is available in the form of loins strengthening decoction or loins strengthening ointment, and is prepared from medicinal food stuffs and packaging material, wherein the medicinal food stuffs includes Eucommia ulmoides, herb pyrolae, longspur epimedium, Drynaria fortunei, Dipsacus asperoides, Cibotium barometz, Millettia speciosa Champ, Philippine Flemingia Root, Japanese raspberry root, Radix Angelicae Sinensis, Ligusticum chuanxiong, Radix Gentianae Macrophyllae, Salvia miltiorrhiza, safflower, Common Yam Rhizome, Indian Damnacanthus Herb, Lycopodium japonicum, Radix Clematidis, Selaginella tamariscina, Acanthopanax gracilistylus bark, pawpaw, lumbricus, Sarcandra glabra, Sinomenium acutum stem, Heterophyllous Wingseedtree, Common Jointfir Stem, Radix cynanchi paniculati, Homalomena occulta, Smallflower Magnoliavine Root, tiger urine, Grape Vine, Bittersweet, Tinosporasinensis (Lour.) Merr., Oriental Bittersweet Stem, Root of Greyblue Spicebush, Zaocys dhumnades, Xenochrophis piscator, Agkistrodon, pearl barley, processed Rehmannia glutinosa, Cornu cervi, Radix Ginseng, pig ridge ribs, duck eggs. The traditional Chinese medicinal preparation of the invention can be used for treating diseases such as common nerve compression syndrome in loin cavity caused by hyperosteogeny and the like, also can increase the blood flow volume of common nerve channel in lumbar spine bone cavity and microcirculation, repair lumbar spine cartilage pulp annulus, lock chondroitin and dissolve lumbar spine disc cartilage protrusion, which fills the gaps in new drug project field.