July 2001 - September 2006: Resident Physician, Department of General Internal Medicine, Peking University Third Hospital October 2006 - May 2012: Attending Physician, Department of Respiratory and Critical Care Medicine, Peking University Third Hospital June 2012 - July 2020: Associate Chief Physician, Department of Respiratory and Critical Care Medicine, Peking University Third Hospital August 2020 - September 2022: Chief Physician, Department of Respiratory and Critical Care Medicine; Deputy Medical Director, Department of Infectious Diseases, Peking University Third Hospital October 2022 - Present: Chief Physician, Department of Respiratory and Critical Care Medicine; Department Director, Department of Infectious Diseases, Peking University Third Hospital Research Activities [1] China International Medical Exchange Foundation, Application of Metagenomic Next-Generation Sequencing (Semi-Quantitative Technology) in Pathogen Identification and Dynamic Host Response in Severe Pneumonia, 2023/01-2025/07, Principal Investigator [2] Innovation and Transformation Fund of Peking University Third Hospital for Scientific Research and Development, Development of a Deep Learning-Based Intelligent Analysis Platform for HRCT Images of Interstitial Lung Disease and Its Clinical Application Research, 2023/01-2024/12, Principal Investigator [3] National Key Research and Development Program, Molecular Mechanisms of Key Microbe-Host Interactions, 2022/12-2025/11, Sub-project Leader Awards 2020: Outstanding Teacher, Peking University Third Hospital 2022: Outstanding Individual for Medical Support at the Winter Olympics 2022: Pioneer in Epidemic Prevention and Control, Peking University Third Hospital 2023: Outstanding Communist Party Member, Peking University