COPD can be rehabilitated through lip-contraction breathing training, abdominal breathing exercises, and the use of breathing trainers. 1. Lip-contracted breathing training: patients with COPD can be trained through lip-contracted breathing, usually inhaling through the nose, lips gently closed while breathing, slowly exhaling gas, this training is conducive to preventing the collapse of small airways. 2. Abdominal breathing exercise: when patients with COPD, abdominal breathing exercise can be carried out, mainly to exercise the diaphragm’s contraction and diastolic function, which has a certain effect on improving lung function. 3. Use of respiratory trainers: COPD can be improved by training the inspiratory muscles, which will have a certain enhancement on the cardiopulmonary function, and can improve the dyspnea and other problems. However, do not blindly carry out rehabilitation training, under the guidance of the doctor, to take the correct way, exercise process should pay attention to self-observation, to understand the physical condition.