Want to speed up the metabolism of lactic acid within the muscle can use the following options: 1, to carry out appropriate aerobic exercise, aerobic exercise is not too strong, and does not promote the production of lactic acid. What’s more, when doing aerobic exercise can improve the blood supply to the muscles and enhance the metabolic capacity of the muscles, thus increasing the metabolism of lactic acid. 2, you can also massage the muscles properly, especially using massage equipment such as rollers or fascia guns, etc., can promote the metabolism of lactic acid within the muscles. 3, you can sweat, the overall body temperature increase also helps the excretion of metabolites such as creatine and lactic acid.