The symptoms of a bulging lumbar disc compressing the dural sac include the following two kinds: 1, low back pain, a bulging lumbar disc compressing the dural sac, often leading to nerve compression around the disc, resulting in symptoms of low back pain. The low back pain can be radiated to the buttocks and both hips, resulting in pain in the buttocks and discomfort in both hips. 2. The compression of the cauda equina nerve leads to dysfunctional symptoms, which can include incontinence or constipation, and can be accompanied by numbness and pain in the skin of the perineum. At the same time can be accompanied by sexual dysfunction, especially male patients, in addition to skin sensory disorders, can have sexual hypogonadism or sexual dysfunction, this time to check the early MRI, early examination, if the symptoms of compression of the cauda equina nerve serious, to consider surgery.