Any attempt to change the biological clock will leave the body with inexplicable diseases, and it will be too late to regret it 20 or 30 years later. First, 9-11 pm is the immune system (lymph) detoxification time, this time should be quiet or listen to music . Second, 11 p.m. – 1 a.m., liver detoxification, need to be carried out in a mature sleep. Third, 1-3 a.m., the bile detoxification, also the same. Fourth, 3-5 a.m., lung detoxification. This is why people with coughs cough most intensely during this time, because the detoxification action has gone to the lungs; Medicine should not be used, so as not to inhibit the elimination of waste products. Fifth, 5-7 a.m., the detoxification of the large intestine, should go to the toilet to defecate. Six, 7-9 a.m., the small intestine to absorb a large number of nutrients time, should eat breakfast. It is best to eat early, before 6:30 a.m., before 7:30 a.m. Those who do not eat breakfast should change their habits, even if they dragged to 9 or 10 a.m. eating is better than not. Seven, from midnight to 4 a.m. for the spinal hematopoietic time, must be asleep, should not stay up late!