Old foot cramps mostly refer to leg muscle spasms, leg muscle spasms may be caused by excessive activity, autonomic disorders and other physiological reasons, may also be osteoporosis, lumbar diseases and other pathologic factors. 1. Physiological reasons: excessive activity of the legs may lead to a transient increase in the excitability of the leg muscles, resulting in spasm of the leg muscles, causing cramps; staying up late, anxiety and other sub-health status persists, which may lead to autonomic disorders, may also lead to the phenomenon of old leg cramps. 2. Pathological factors: the elderly due to rapid bone loss, osteoporosis will occur, the body’s blood calcium concentration is lower than normal, which will lead to increased muscle excitability, may also occur leg muscle spasms. Certain lumbar diseases that cause nerve entrapment can lead to abnormal electrophysiologic signals transmitted down to the legs, and leg cramps may also occur, such as lumbar disc herniation and lumbar spondylolisthesis. There may also be other causes of foot cramps, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.