The invention provides a traditional Chinese medicine compound for treating lumbar disc herniation and a preparation method. The traditional Chinese medicine compound is prepared from the following raw materials: fried spina date seeds, angelica sinensis, ligusticum wallichii, rhizoma corydalis, radix paeoniae alba, prepared rehmannia roots, pawpaws, eucommia ulmoides, stiff silkworms, cynanchum paniculatum, fried rhizoma atractylodis macrocephalae and liquorice roots, wherein the spina date seeds have the effects of nourishing the liver, quieting the heart and soothing the nerves and serve as monarch drugs, the prepared rehmannia roots grow to nourish yin blood, the angelica sinensis enriches blood, nourishes liver, harmonizes blood and regulates menstruation, the radix paeoniae alba enriches blood, softens liver and harmonizes ying, the ligusticum wallichii activates blood, promotes qi circulation, and regulates qi and blood, the eucommia ulmoides is sweet, warm and beneficial, and is a main medicine for calming and tonifying liver and kidney, the prepared rehmannia roots, the angelica sinensis, the radix paeoniae alba, the ligusticum wallichii and the eucommia ulmoides are ministerial medicine, the stiff silkworms enters liver, lung and stomach channels, calms wind and relieves spasm, dispels wind and relieves pain, the cynanchum paniculatum enters liver channels and stomach channels, dispels wind and removes dampness, and promotes qi circulation to remove meridian obstruction, the fried atractylodes macrocephala invigorates spleen and supplements qi, eliminates dampness and promotes urination, the rhizoma corydalis activates blood, regulates qi and relieves pain, the stiff silkworms, the cynanchum paniculatum, the fried atractylodes macrocephala and the rhizoma corydalis are adjuvant drugs, and the liquorice roots harmonize the medicines into conductant drugs. According to the invention, the whole formula has the effects of tonifying liver, nourishing blood, dredging collaterals and relieving pain; and the traditional Chinese medicine compound is clinically suitable for lumbar disc herniation diagnosed by western medicine, and lumbago-leg pain, limb numbness and other diseases caused by liver and kidney deficiency syndrome differentiation in traditional Chinese medicine.