Clinical Study on Improving Exercise Capacity in Chronic Obstructive Pulmonary Disease Through Smart IoT-Remote Home Breathing Guidance

Inclusion Criteria: * Patients with COPD in stable stage * Patients with grade 2 to 4 lung function * Age 40\~80 years old * Be able to use smart phones, computers and other devices independently or with the help of family members during home training * Volunteer for treatment and sign an informed consent form Exclusion Criteria: * Pregnant or lactating women and patients with recent pregnancy plans * Delirious, dementia, all kinds of mental illness * Tumor patients who have undergone resection, radiation, and chemotherapy within 5 years * Patients with severe osteoarthropathy or osteoporosis, unstable fractures * Patients with severe visual impairment that cannot be improved or who have epilepsy or vertigo and cannot use VR devices * Patients with progressive neuromuscular disease * Patients with pulmonary abscess, pulmonary interstitial fibrosis, active pulmonary tuberculosis, bronchiectasis, pulmonary embolism and other pulmonary diseases * Patients with severe cardiovascular and cerebrovascular diseases (malignant arrhythmia, unstable angina pectoris, acute myocardial infarction, grade 3 or above cardiac function, stroke, cerebral hemorrhage, etc.) * Patients with severe liver disease (cirrhosis, portal hypertension and bleeding caused by esophageal and gastric varices, etc.) and severe kidney disease (dialysis, kidney transplantation, etc.) * Participants who were participating in other clinical trials within 1 month prior to enrollment * People who stay in bed for a …