Part 1 : Instruction on rehabilitation training with integrated traditional Chinese and Western medicine for COVID-19 patients during recovery 1 Background of COVID-19 and significance of pulmonary rehabilitation intervention 2 Contents and effects of pulmonary rehabilitation 3 Design concepts and effects of pulmonary-based Qigong rehabilitation protocol (PQRP) Part 2 : Rehabilitation training program for patients with mild COVID-19 symptoms during recovery 1 Objective 2 Principles 3 Protocols Pulmonary-based Qigong rehabilitation protocol Part3 : Bed-based rehabilitation training program for patients with severe COVlD-19 symptoms during recovery 1 Objective 2 Principles 3 Protocols 3.1 Pulmonary rehabilitation training in supine position 3.2 Pulmonary rehabilitation training in sitting position