The effect of Danlu Tongdu Tablet is mainly determined by the patient’s condition and the tolerance of the patient’s physique, and the symptomatic treatment can receive a good therapeutic effect. Danlu Tongdu Tablet has the efficacy of activating blood circulation, benefiting the kidneys and opening up the channels. Danlu Tongdu Tablet is composed of antler gelatin, Astragalus, Yanhuisuo, Cortex Eucommiae and so on. It is used for lumbar spinal stenosis (e.g. thickening of ligamentum flavum, degenerative changes of vertebral body, old disc herniation) which is caused by stasis blockage of the Vertebral Vessel type of intermittent claudication, lumbar and leg pain, limitation of activity, soreness and pain in the lower limbs, with a dark tongue or petechiae, etc. It can be used in the treatment of lumbar spinal stenosis. It should be noted that skin rash occurred in individual patients taking this drug. It is contraindicated when vaginal mucous membrane is broken and bleeding; contraindicated during pregnancy; used with caution during menstruation; during treatment, abstain from intercourse. This drug needs to be applied under the guidance of physician’s diagnosis, and should not be used on its own.