The world’s largest hospital is the First Affiliated Hospital of Zhengzhou University in China with 7,000 beds. The largest hospital in the US is AdvantHealth Orlando with 1,705 beds. For what it’s worth, lots of beds don’t equal lots of health care. The hospital with the most staff is the Mayo Clinic Hospital in Minnesota with 54,700. The Chinese hospital with the most staff is the West China Medical Center with 6,100.