This book introduces the new developments in COPD prevention and control research. It discusses the long-term understanding of the nature of COPD, diagnostic methods and effects, problems in diagnosis and treatment strategies (including stable COPD and AECOPD), and the coexistence of COPD and asthma. The relationship between COPD and its various comorbidities and treatment strategies, the prevention of COPD, and the understanding of COPD in TCM are comprehensively explained and interpreted.