The emergency treatment after a leg cramp is to let the muscles relax first, which part of this piece of cramp, which part do not make too much effort. Then you have to stretch the muscles of this area, that is, stretch the muscles of the cramped area, generally good for the calf cramps, the emergency treatment is to grab the thumb of this side of the cramp with your hand, first the back to stretch the foot, then slowly straighten the leg, stretch the muscles of the back of the calf, stretch for a period of time that cramp will be good. The treatment of cramps is mainly based on prevention, pay attention to warmth, pay attention to sleeping posture, walking and exercise during the day should not be too long, appropriate to participate in physical exercise, you can supplement vitamin E and C, you can also supplement calcium elements, drink yogurt or eat lean meat and other dietary things.