Chronic respiratory diseases have a long course of disease and recurrent episodes

which seriously affect the quality of life of patients and bring a heavy economic burden on society

families and patients.As such

they have become a major public health problem in China.Clinical treatment of chronic respiratory diseases should not be limited to rescues in the acute exacerbation period

but also include measures like pulmonary rehabilitation to relieve the condition

reduce symptoms and improve the quality of life of patients.Pulmonary rehabilitation is an individualized intervention based on a comprehensive evaluation of patients.It consists of physical therapy

psychological therapy

health education

and nutritional support.As a non-drug treatment method widely applicable to patients with chronic respiratory diseases

it can boost patients′physical and psychological conditions

improve exercise tolerance

promote participation in social activities

reduce medical care costs and improve quality of life.Therefore

pulmonary rehabilitation plays an important role in the rehabilitation of patients with chronic respiratory diseases.This article reviews the development history

core components

main functions and current problems of pulmonary rehabilitation

and purports to provide a reference for the formulation of pulmonary rehabilitation measures aiming at patients with chronic respiratory diseases.