Ren Lanhu, deputy chief physician of cardiovascular Internal medicine department. He graduated from Inner Mongolia Medical University. He used to be the director of internal medicine, cystic interventional treatment center and outpatient department of the First Gold Corps Hospital of the Armed Police, and also served as the correspondent of “Armed Police Medicine” and the editorial board member of “Chinese Journal of Modern Clinical Medicine”. He has studied in the Department of Emergency Medicine of the Second Hospital of Harbin Medical University, the Department of Cardiology of the Armed Police Hospital, and the Department of Ultrasound Intervention of Shanghai Changzheng Hospital. He has a high level of clinical experience in the diagnosis and treatment of common diseases, multiple diseases and difficult diseases in cardiovascular, cerebrovascular and hepatobiliary medicine. He has published more than 10 papers in national journals and won a personal third-class merit.