Exercise lactic acid can be eliminated quickly by taking oral calcium carbonate tablets, hot compresses, massage and other methods. 1. Oral calcium carbonate tablets: Calcium carbonate can neutralize lactic acid, calcium ions absorbed into the blood, and lactic acid combined to generate calcium lactate, a large amount of lactic acid into calcium lactate, through the urinary system out of the body, to achieve the elimination of excessive lactic acid effect. 2. Hot compress: applying hot towel to the painful area can speed up the blood circulation in the painful area and accelerate the metabolism of lactic acid in the body, which can help to relieve the pain caused by the accumulation of lactic acid after exercise. 3. Massage: Massage the muscles to promote the dispersion of lactic acid within the muscles, reduce the accumulation of lactic acid and accelerate the metabolism of lactic acid. Appropriate exercise is beneficial to the body, but should be based on personal physical condition to choose the appropriate exercise program, in order to achieve the significance of exercise.