Early manifestations of cauda equina syndrome may include pain, numbness of limbs, dysuria and so on. 1. Pain: pain is the most common early manifestation, due to the damage of cauda equina nerve will lead to sensory impairment in the innervated area, which will lead to lumbosacral pain or sciatica, the pain will radiate along the lumbosacral area to the lower limbs, and the pain will be aggravated when coughing or sneezing. 2. Numbness of limbs: because of the aggravation of nerve damage, it will lead to motor function disorders and weakness and numbness of the lower limbs, and the limb weakness often starts from one side and gradually develops to the opposite side. 3. Bowel movement disorder: if the nerve compression cannot be improved, it will lead to sphincter dysfunction, which will lead to unsmooth urination, urinary retention, and seriously lead to fecal incontinence. If the above symptoms occur, it is recommended to go to the hospital in time for a clear diagnosis.