Patients with muscle soreness after exercise, such as mild, is a normal phenomenon, such as severe, is abnormal, the details are as follows: First, the normal phenomenon: normal people produce a lot of lactic acid in the muscle after exercise, and accompanied by muscle fiber tearing, so the next day there will be soreness symptoms, generally after 2-3 days of rest, soreness symptoms relief, soreness symptoms do not affect the patient’s normal work, life and rest The soreness will not affect the patient’s normal work, life and rest, but will only limit the exercise for a short time. Second, abnormal phenomenon: the symptoms of persistent and severe muscle soreness after exercise is an abnormal phenomenon, indicating that excessive exercise has led to serious edema and muscle fiber tears, at this time should strictly limit the amount of activity, maintain rest and enhance nutrition, in order to facilitate the discharge of acidic metabolites out of the body, muscle fiber repair quickly, but also should be moderate activity to ensure aerobic exercise, which can promote the elimination of lactic acid.