Prevention of acute lumbar sprain should pay attention to the following points: 1, stretching exercises for the waist. The flexibility of the body is very important, flexible waist can effectively prevent lumbar sprain. 2, carrying things to pay attention to the method. The main reason for lumbar sprain is to carry objects too heavy or improper way of carrying, carrying things with arms outstretched easily make people lose their balance, the back muscles of the waist greatly increased, easy to trigger lumbar sprain. 3, standing, sitting or sleeping, pay attention to relax the entire spine, so that the spasm and tension of the lumbar muscles to recover. 4, make the body strong. Physical exercise to strengthen the strength of the lumbar back muscles, such as swimming, cycling, skiing, five-point support, flat support or swallow fly, etc., can strengthen the body’s main support muscle strength, making the probability of acute lumbar sprain greatly reduced.