The common cause of calf cramps is overwork or overexercise leading to calf muscle strain, and contraction and spasm of the calf triceps muscle fibers when stimulated by certain factors. After the above situation to stop activities or labor, sit down to bend the knee, knee flexion will relax the muscles behind the calf, and then use your hand to pull the forefoot upwards, gently stretch the calf triceps to relax the muscles and relieve cramps. But the force should not be too much, too much force will re-induce cramps. When the cramp is relieved, it is best to use hot towels for warm compresses to further relax the muscles. Take care to cover yourself at night to avoid getting cold, reduce the amount of exercise, reduce the amount of labor, and avoid overwork. It is also advisable to take appropriate oral anti-inflammatory medication to promote inflammation and avoid adhesions.