The First Affiliated Hospital of Sun Yat-sen University (hereinafter referred to as the First Affiliated Hospital of Sun Yat-sen University) is the largest affiliated hospital in Sun Yat-sen University with the strongest comprehensive strength. It is now a national third-class first-class hospital and a national baby-friendly hospital. The clinical department of Zhongshan First Hospital is 6 1, and the medical technology department is 15. Among them, nephrology, general surgery, neurology, endocrinology and otolaryngology are five national key disciplines.