Leg pain after running may be related to the accumulation of lactic acid in the muscle tissue, it is recommended to use a cool towel to apply cold compresses and timely beat the leg muscles, but also to carry out the corresponding relaxation exercise, so that the pain symptoms will be slowly relieved. 1. Cool towel cold compress: in the process of running, the leg muscles will continue to be congested, running with a cool towel cold compress in a timely manner, can promote vasoconstriction to reduce congestion, helping to relieve leg pain. 2. Strike the leg muscles: after running, strike the leg muscles with appropriate strength, which can promote the discharge of lactic acid in the muscle tissue and reduce leg pain. 3. Relaxation exercise: after running, don’t stop immediately to rest, you can walk slowly or some leg muscle stretching activities, so that the leg muscles gradually relax, can also reduce leg pain to a certain extent. Most of the symptoms of leg pain after running are physiological reactions, which will be relieved soon after the above treatment. If the pain symptoms continue to aggravate, there may be muscle strain and other conditions, you need to consult a doctor in time.