It is normal for the body to become sore after exercise, because during exercise the body may anaerobically enzyme, the product of anaerobic enzyme is lactic acid, lactic acid accumulation in the body will produce local soreness. In order to reduce post-exercise body soreness, the following measures can be taken: First, after exercise to appropriate relaxation exercises, local massage or baking lamp to increase local blood circulation, lactic acid away can reduce soreness. Second, adhere to long-term exercise, long-term exercise after the body will be a small amount of lactic acid tolerance, so after long-term exercise, the body will not appear after the exercise body aches. Third, after the exercise conditions can soak a warm bath, but also help to promote lactic acid metabolism, can also reduce the post-exercise pain.