Muscle soreness after two days of exercise, if it is caused by the accumulation of lactic acid, it may be a normal phenomenon after exercise, generally can continue; if it is related to muscle strains, acute muscle strain and other reasons, usually, do not continue, so as not to aggravate the condition. Exercise may lead to increasing lactic acid within the muscle or even produce a buildup, there will be the phenomenon of muscle soreness after two days of exercise, in general, is a normal physiological phenomenon, can be relieved after resting, you can generally continue. Muscle soreness after two days of exercise may also be related to muscle strain, acute muscle strain and other reasons, it is generally not recommended to continue to exercise to avoid aggravation of the condition. Before the symptoms of muscle soreness are not relieved, try not to continue strenuous exercise, otherwise it is easy to lead to aggravation of the symptoms. Usually do a good job of warming up before exercise to help reduce the probability of sports injuries.