The second day of exercise muscle soreness is not to achieve the effect, muscle soreness has two causes: 1, in the exercise will have a large amount of local lactic acid buildup, it will stimulate the muscle to cause soreness, you need to properly drink more warm water, while local hot compresses and physical therapy, all help to relieve the symptoms. 2, due to excessive muscle exercise and strain caused by the need to reduce activity, while the appropriate intake of vitamin-rich fruits, such as apples, bananas, duck pears, etc., appropriate intake of high-quality protein, such as fresh fish and shrimp. For example, apples, bananas, duck pears, etc., appropriate intake of high-quality protein, such as fresh fish and shrimp, etc., otherwise, if you continue to exercise, will lead to further muscle damage, and cause serious sequelae, usually in the exercise to gradually increase the amount, not too much at a time. If there is obvious pain, you need to stop exercising in time, and there should be a certain amount of warm-up exercises before exercise, which can reduce the degree of muscle strain. During the exercise also need to drink more water properly, can help blood circulation.