The following ways can be used to improve cardiorespiratory function: 1. Patients with severe physical weakness or chronic illness can be improved through medication, such as Niclosamide, Lopressor, Cetiran, etc., which can be applied under the guidance of a doctor to help enhance cardiorespiratory function quickly. 2. 3, through the daily diet to regulate, eat fresh fruits and vegetables rich in potassium ions, like apples, kiwi, etc.. Weak heart and lung function should be under the guidance of a doctor, early medication to prevent the development of the disease affect health.