1970 graduated from Beijing Medical College (now peking university health science center), and 1985- 1987 studied at the Medical College of new york State University and the Medical College of Illinois University in Chicago. It was the first in China to successfully develop the technology of radiofrequency ablation for rapid arrhythmia, and extended it to more than 60 hospitals in China, Indian, Vietnamese, Japanese and other countries, and won the second prize of scientific and technological progress of the Ministry of Health and the second prize of national scientific and technological progress successively. Specializes in electrophysiology, pacemaker implantation, interventional therapy of coronary heart disease, prevention and treatment of hypertension coronary heart disease. Actively promote the development of interventional therapy of coronary heart disease and cardiac surgery in China, and won many national, provincial and municipal scientific and technological progress awards, second and third prizes, first prize of "Wu Jieping Zhan Sen" award in 200 1 year, medal of spiritual civilization construction in the capital in 2000, 1998 Beijing advanced science popularization worker award, and "United Nations International Science and Peace Week" in 2005.
Professor Hu Dayi edited and translated 39 professional books, and published 3 books in the United States. Participated in the compilation of teaching materials for medical undergraduates and postgraduates edited by the State Education Commission and People's Health Publishing House, and published more than 500 papers in professional magazines at home and abroad as the first author. Since 1989, Professor Hu Dayi has trained 82 postgraduate students, 34 doctoral students and 19 postdoctoral students in three medical colleges.
At present, his student 12 is the director of cardiology in Beijing, 16 is the deputy director of cardiology, and 7 is the director of cardiac surgery, which is even more popular in China. He has made outstanding contributions to training trans-century talents, promoting the development of cardiac pacing, electrophysiology and interventional cardiology in China, preventing cardiovascular diseases and promoting national health education.