A medical alarm system includes: a bedside monitor which is configured to transmit alarm information when an abnormality is detected in measured biological information of a patient; a position information measuring device which is configured to transmit medical person position information when position information of a medical person is measured; and an information displaying device which is configured to receive and display the alarm information and the medical person position information. The information displaying device includes an alarm information displaying section and a medical person position information displaying section. When receiving the alarm information, the information displaying device displays the alarm information in the alarm information displaying section and the medical person position information in the medical person position information displaying section.