Generally, middle-aged and elderly people are prone to spinal cord degeneration, both chronic and subacute, which usually presents with neurological symptoms of sleepiness, diarrhea, etc. At the same time, there is a decrease of vitamin B12 in the serum. Generally, both lower limbs will feel weak and stiff, hands shivering, unable to walk normally and walking unsteadily, and there may be spasticity in both lower limbs, which indicates increased muscle tone and hyperactive tendon reflexes. Generally, medication is the main treatment, but you can also use Chinese medicine for conservative treatment, such as acupuncture.