Patients suffering from congenital lumbar spinal stenosis, and patients suffering from lumbar spinal stenosis due to spondylolisthesis, can not take Danlu Tongdu Tablet, allergy to this product is prohibited, pregnant women should not take, allergic individuals and patients with liver disease should be used with caution. Danlu Tongdu Tablet is a Chinese patent medicine, the main ingredients are Salvia miltiorrhiza, antler gel, Astragalus, Yanhuisuo, Cortex Eucommiae, has the effect of activating the blood to pass through the governor, benefit the kidneys and pass the collaterals. This product can be used for the treatment of intermittent claudication, lumbar and leg pain, limitation of activity, soreness and pain in lower limbs caused by lumbar spinal stenosis (e.g. thickening of ligamentum flavum, degenerative changes of vertebral body, and herniation of old intervertebral discs) belonging to the type of stasis obstruction of the directional vein. Adverse reactions such as rash, itching, gastrointestinal discomfort may occur after the use of this drug, this product should not be used for congenital lumbar spinal stenosis or lumbar spinal stenosis due to spondylolisthesis, it is prohibited for those who are allergic to this product, allergic individuals and patients with liver disease should be cautious, pregnant women are prohibited from taking this drug. If you need to use this drug, please follow the doctor’s instructions, do not self-medication, so as not to affect your health.