The invention discloses an external liniment for treating prolapse of lumbar intervertebral disc, which comprises, by proportion, 95-105g of pillis ophidiae, 10-15g of Manchurian wildginger, 40-50g of angelica, 40-50g of radix achyranthis bidentatae, 3-6g of pseudo-ginseng, 20-30g of radix clematidis, 20-30g of ground beeltle, 1-2g of musk, 20-30g of gentiana macrophylla, 10-18g of red flowers, 10-18g of olibanum, 10-15g of myrrh, 4-6 centipedes, 4-6 scorpios, 2-3 long-noded pit vipers,8-12g of liquorices and 2-3 kg of white spirits. The liniment is pure traditional Chinese medicine without any toxic and side effects, has good effects of treating the prolapse of lumbar intervertebral disc and simultaneously has a function of preventing the prolapse of lumbar intervertebral disc. If the liniment is continuously applied for 2-3weeks to a patient who has slight prolapse of lumbar intervertebral disc, the prolapse of lumbar intervertebral disc is basically cured and the prolapse of lumbar intervertebral disc is completely cured if the liniment continues to be used.