In the past few years, there have been many breakthroughs in the treatment of heart failure, especially in drug therapy. The classification of chronic heart failure and treatment methods for heart failure and its complications are also constantly updated. In order to apply these achievements to a better diagnosis and treatment of heart failure patients in China, Chinese Society of Cardiology, Chinese Medical Association, Chinese College of Cardiovascular Physician, Chinese Heart Failure Association of Chinese Medical Doctor Association, Editorial Board of Chinese Journal of Cardiology have jointly published the Chinese Guidelines for the Diagnosis and Treatment of Heart Failure 2024, which comprehensively updates the new consensus and evidence-based treatment in the field of heart failure. These contents are of great significance for guiding diagnosis and treatment of heart failure patients in clinical practice. This article, therefore, aims to interpret the main updated contents and key points to provide readers with a better understanding of its key information.