Cauda equina nerve compression may cause anal cramping. The cauda equina is a lumbosacral nerve root below the spinal cone. If the cauda equina is compressed, it will often lead to cauda equina nerve injury, which will cause a series of symptoms, such as pain in the buttocks or perineum, numbness, and sometimes accompanied by obvious anal distension. After the cauda equina nerve injury, the treatment is often more difficult, the early use of nutritive nerve drugs, such as methylcobalamin, vitamin B12, etc., can promote the nerve recovery, if the nerve damage is more serious, often need to take surgical treatment to release the compression. Cauda equina nerve compression, should be timely to the hospital, clear condition, and actively cooperate with the doctor to give reasonable treatment, so as to avoid foreign body condition.