Many people have sore legs and leg pain after running, mostly due to not exercising for a long time, the muscles are suddenly subjected to a lot of stretching, producing a lot of acidic substances that lead to leg pain, such leg pain will usually last for several days before it slowly disappears. So do more finishing exercises after exercise, in order to avoid leg soreness and leg pain after running, it is recommended to do warm-up preparation exercises before exercise, and to do simple finishing exercises after running, which can avoid leg pain to some extent. Use hot towels on the part of the leg pain, can effectively relieve leg pain; if the extensive pain can also consider soaking in a hot bath to promote blood circulation, in addition to using a massage gun or tapping massage painful parts, can promote the discharge of lactic acid within the muscle, so that the symptoms of leg pain can be quickly relieved.