Bulging radicular stenosis is usually associated with hypertrophy of the ligamentum flavum, herniated discs, osteophytes of the spinal canal, etc. Depending on the cause of the disease, conservative treatments or surgical treatments can be carried out to control the development of the disease. 1. Hypertrophy of ligamentum flavum: usually related to degenerative diseases or trauma, inflammation, for this disease can take Fitalin, Fenbid for pain relief. If the compression of the nerve appears numbness of the lower limbs, should be timely surgery, the ligamentum flavum hypertrophy tissue excision. 2. Herniated disc: it is a kind of degenerative disease of spine, in the acute stage, we need to pay attention to rest, reduce the load on the spine, if the condition is serious, there is bulging, can not be normal activities, we can do anterior approach surgery or posterior approach surgery. 3. Vertebral canal osteophytes: related to ligament injury or calcification. To treat the disease, oral acetaminophen can be taken for pain relief, and in severe cases, sodium vitrate can be injected into the joint cavity. If there is a bone spur that is compressing a nerve or blood vessel, open surgery should be done promptly. Expanded nerve root canal stenosis is usually related to the above factors, and can be diagnosed and analyzed by doing X-ray, CT, MRI to understand the cause of the disease and then targeted treatment. The use of drugs need to follow the doctor’s instructions.