The second day of muscle soreness after fitness, the patient can adhere to. Soreness may be caused by lactic acid accumulation or muscle fatigue caused by exudation, this situation can be the next day to reduce the amount, and then stretching, to avoid not exercising, the muscle does not form a motor memory, detrimental to the health of the fitness effect. However, it should be noted that the following conditions should not be adhered to, muscle sharp pain or tingling, local swelling, this situation is not only caused by inflammatory material exudation and fatigue, there may be muscle tears and injuries. Only after injury to small blood vessels and nerves can severe pain and swelling occur. Patients need to temporarily reduce their activities and can be observed with topical medication. If the pain is not relieved, the patient needs to go to a regular hospital for examination, and may also need to use medication for analgesia. If these conditions are not present, patients need to warm up well, exercise gradually, and then intermittently increase the amount can continue to adhere to exercise and fitness. In the future, fully warm up before exercise, avoid strenuous exercise, exercise environment to avoid too cold. A hot bath or massage after a workout can promote blood circulation throughout the body, which can also effectively avoid muscle soreness after a workout.