Cramps occur in the footboard for several common reasons: first, calcium deficiency, patients with osteoporosis or acute hypocalcemia can produce symptoms of cramps in the footboard. Usually after short-term treatment, the symptoms can be gradually relieved, usually pay attention to anti-osteoporosis, and prevention of hypocalcemia, can prevent the re-occurrence of symptoms. Second, overexertion, such as walking for too long or standing for too long, as well as exercise for too long, can lead to cramping symptoms in the intrinsic muscles of the foot, mainly related to muscle spasm. Pay attention to avoid overexertion, daily warm water foot soak, can improve and prevent the occurrence of symptoms. Thirdly, exposure to cold water during swimming may cause cramps in the foot plate, mainly related to temperature. Warm-up exercises before entering the water can prevent cramp symptoms.