**Profile**: A renowned national expert in infectious diseases, chief physician and professor. He is a recipient of the Special Government Allowance of the State Council for outstanding contributions to medicine and health. He has been awarded the honorary titles of "Model of the Times" and "National Moral Model". He has been engaged in clinical practice, teaching and research of infectious diseases for more than 60 years, boasting extensive clinical experience in infectious diseases, especially in the diagnosis and treatment of hepatitis. He founded a Sina Blog for medical science popularization for over 16 years. The blog has accumulated 16.3 million page views and helped tens of thousands of patients with liver diseases.**Research Achievements**: He has published more than 130 papers and authored three monographs: *Hepatitis B: Basics and Clinical Practice*, *Hepatitis B: Clinical Manifestations and Liver Biopsy Pathology*, and *Q&A on Hepatitis B Knowledge — Collection of Blog Articles from Luo Kangxian’s Hepatitis B Channel*. He also participated in compiling seven other books. His research achievements won 1 Second Prize of the National Science and Technology Progress Award and 6 Second Prizes of the Military Science and Technology Progress Award. He was awarded an individual Second-Class Merit by the Central Military Commission.