Legs always appear to turn cramp, that is, leg muscle cramps, to be treated according to the specific causes, as follows: First, due to low calcium ions, after the low calcium ions in the human body, easy to induce leg muscle cramps, especially at night or under exertion is more likely to induce, you need to take oral calcium or intravenous calcium, you can also increase the intake of vitamin D, or more sunshine and Outdoor exercise to supplement the body’s vitamin D, can promote the body’s absorption of calcium ions, improve the body’s calcium ions, effective prevention of cramps. The legs are often overworked and cold, after the fatigue will lead to excessive tension and fatigue of the leg muscle tissue, the metabolites produced will gradually accumulate and increase, when the cold will lead to a further decline in blood circulation, the accumulation of metabolites more and more, leg cramps are easy to induce. In ordinary times should do a good job of leg warmth, more warm water bags to increase blood circulation, can play a very good therapeutic effect. Third, leg cramps are due to sleep at night when the quilt is too back, too heavy, resulting in the ankle joint showing toe flexion state, after a long time also easy to induce muscle cramps in the back of the calf, try to choose the side sleep position at night, can effectively avoid.