For example, tai chi can make breathing natural, long, slow and even. Because of the slow speed and gentle movements, which allows the body's microcirculation to expand. Microcirculation is characterized by strenuous exercise, which causes the blood to take shortcuts and does not get sufficient exchange of substances and energy, while the slow and gentle nature of taijiquan enables the blood to flow to all places, thus getting the exchange of substances and energy and improving the internal circulation of the body. As the saying goes, "pain is not pass, pass is not pain", so that some of the blockages are unobstructed, so that the symptoms of chronic diseases can be relieved or eliminated. At the same time, taijiquan exercise can strengthen the body and prevent some diseases, therefore, taijiquan exercise has the effect of curing diseases.