The invention discloses a medicine for treating prolapse of lumbar intervertebral disc, which is prepared from the following traditional Chinese medicines serving as raw material medicines in part by weight: 10 to 20 parts of angelica, 10 to 20 parts of szechuan lovage rhizome, 10 to 20 parts of white paeony root, 10 to 20 parts of trogopterus dung, 10 to 20 parts of rhizoma corydalis, 10 to 20 parts of common burreed rhizome, 10 to 20 parts of zedoary, 10 to 20 parts of eucommia bark, 20 to 40 parts of astragalus, 8 to 15 parts of earthworm, 20 to 40 parts of common monkshood mother root, 20to 40 parts of kusnezoff monkshood root, 8 to 15 parts of frank incense and 8 to 15 parts of myrrh. The raw material medicines are mixed and crushed into fine powder so as to prepare powder. The medicine has the effects of dispelling cold and dampness, eliminating pathogenic wind, dredging the meridian and stopping pain, and has the advantages of short treatment course and obvious treatment effect for treating the prolapse of lumbar intervertebral disc. Through treatment effect observation of clinical 60 cases of patients, 34 cases of patients are cured, 17 cases of patients are improved, 9 cases of patients fail, and the total effective rate is 85 percent.