The invention discloses an external tincture for treating bone poliomyelitis and a preparation method of the external tincture. The external tincture comprises the following ingredients in parts by weight: 18-24 parts of radix aconiti, 18-24 parts of peach kernel, 18-24 parts of radix aconiti carmichaeli, 15-22 parts of dried tangerine or orange peel, 10-18 parts of folium artemisiae argyi, 18-25 parts of radix clematidis, 25-30 parts of semen brassicae, 10-15 parts of tuberculate speranskia herb, 10-20 parts of safflower carthamus, and 0.5-1.5 parts of musk. The external tincture in reasonable in compatibility of medicines, can treat various bone poliomyelitis effectively, such as cervical spondylopathy, scapulohumeral periarthritis, pain in waist and lower extremities, traumatic injury, sciatica, rheumatic arthritis, rheumatoid arthritis, hyperostosis, spinal stenosis, tenosynovitis, synovitis, gout, years of old injury, lumbar disc herniation, osteonecrosis of the femeral head, swelling, limp and numb, pain and the like caused by qi-stagnancy and blood stasis and blockage of meridians, is simple in formula, is good in osmotic effect, and is remarkable in treatment effect.