This book comprehensively reflects the experiences, major achievements and typical hospital cases in China’s deepening of medical reform, improvement of patient experience and medical service level from the perspective of big data and patients. It will provide decision-making reference and play the role of think tank for the effective implementation of national deepening of medical reform and Healthy China initiative. This book elaborates on the research background, evaluation ideas, evaluation methods, evaluation results, in-depth research, discussion, and project prospect, and makes specific explanations on relevant conclusions, reasons, and prospects, with material support. This book is jointly completed by the Patient Experience Research Base of the National Health Commission, the Tsinghua University Hospital Management Institute, and the Tsinghua University Medical Data Standardization Research Center (National Medical Data Service Center).