The invention discloses a traditional Chinese medicine composition for treating Qi deficiency and blood stasis type lumbar spinal stenosis disease. The traditional Chinese medicine composition is prepared from the following raw materials: rhodiola rosea, hippophae rhamnoides, rhizoma polygonati, pseudo-ginseng, valerian extract, vine of multiflower knotweed, red bull burr root, fenugreek, kusnezoff monkshood root, radix puerariae and zaocys dhumnade. The clinical curative effect of the traditional Chinese medicine composition for treating Qi deficiency and blood stasis type lumbar spinal stenosis disease is exact, has no side effect and high patient compliance. Through providing the traditional Chinese medicine composition decoction for treating Qi deficiency and blood stasis type lumbar spinal stenosis disease to 50 patients, after 30-50 days of treatment, 20 patients are cured, 25 patients are improved and five patients are not healed, and the total effective rate is 90.0%.