Calf belly jump the most common reasons are as follows: First, is the leg disease, tension fatigue, calcium deficiency, muscle group tremor syndrome, such as tension, fatigue, athletes are common, especially the heat of the day, soccer players, can calf jumping. Second, calcium deficiency is common with malnutrition, old age or drink coffee live more, affecting the absorption of calcium. Appear calf muscle discomfort, jumping. Third, muscle group tremor syndrome, is a benign lesion, will not lead to serious consequences, pay attention to not too fatigue, emotional stability, is conducive to recovery, if the muscles appear forced spasm, such as gastrocnemius muscle spasms, it is recommended to go to the hospital to find out the cause of the disease. Usually pay attention to timely supplementation of calcium tablets, there is a deficiency of calcium caused by spleen deficiency, due to the lack of calcium in life caused by the lowering of their own immunity, go to the hospital as soon as possible, eat more fresh fruits and vegetables, and reduce the amount of daily exercise.