There is no such thing as cardiorespiratory strengthening in clinical practice. Cardiorespiratory strengthening generally refers to the enhancement of cardiorespiratory function, which can be achieved through running, swimming and so on. Cardiorespiratory function is the general term for the pumping function of the heart and the oxygen absorption function of the lungs. The strength of cardiorespiratory function directly affects the activity of the organs and muscles of the body, and those with better cardiorespiratory function have a lower probability of suffering from cardiovascular or respiratory diseases. Therefore, cardiopulmonary function should be enhanced, which is commonly known as cardiopulmonary strengthening. Enhancement of cardiopulmonary function that is through running, swimming, basketball and other sports to improve lung capacity, enhance the heart pumping ability, pay attention to the amount of exercise should not be too large, you can carry out a number of aerobic exercise, and gradually adapt to the intensity of the exercise. The existence of coronary heart disease, heart failure, chronic obstructive pulmonary disease, asthma and other cardiopulmonary diseases patients, it is recommended to exercise under the guidance of a physician.