Doctor of Medicine, Associate Chief Physician of the Department of Respiratory Medicine, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Master's Supervisor. Graduated in 2000 from the seven-year French program of the Second Medical University, and received one year of foreign resident training at COCHIN Hospital in Paris, France. Obtained a doctoral degree from Shanghai Jiao Tong University School of Medicine in 2012, and visited the Medical Center of Ohio State University in the United States for one year in 2014. Dr. Ni Lei has been engaged in the specialty of respiratory medicine to date, and has extensively participated in specialized clinics for chronic airway diseases, pulmonary tuberculosis, smoking cessation, and other diseases. In long-term clinical work, he has accumulated rich clinical experience in the diagnosis and treatment of common respiratory system diseases, such as lung malignancies, bronchial asthma, chronic obstructive pulmonary disease, pulmonary infections, respiratory failure, and other diseases, and also has rich experience in the imaging diagnosis and differential diagnosis of pulmonary nodules. While engaged in clinical work, he is also responsible for a large amount of teaching and scientific research work, has undertaken and participated in multiple national and municipal research projects, and has accumulated multiple publications in core journals.