Qi and Blood are the essential substances of the human body. The process of human life from birth, growth, maturity, aging to death is due to the change of Qi and Blood in the human body from weak to strong, and then from strong to weak. The Yellow Emperor's Canon of Medicine has sayings like this, “If people have plenty of Qi and Blood, people will not get sick. If the Qi fails to control Blood, various kinds of diseases occur.” Blood Syndrome written by famous TCM experts Zhu Danxi also said: “Qi is the commander of the Blood, and Blood runs with the Qi. Blood carries Qi, and Qi acquires tranquility because of the presence of Blood”. The imbalance between Qi and Blood is the basic cause of all diseases. Chinese medicine pays much attention on the dynamic balance between Qi and Blood in human body. It has been stressed that keeping fit requires the conformation to the season changes and temperature changes, while good moods and comfortable living place are also important. Traditional Chinese medicine experts created some sports, physical therapies, diets, drug treatment and many other health methods to reconcile Qi and Blood and help keep the balance between Qi and Blood in order to achieve healthy life and longevity.