A biological information monitor which receives, directly or via an network, biological information of a patient which is measured by a unit attached to the patient, includes: a display portion on which the biological information is displayed and a controlling portion which displays, on the display portion, at least one of a reason of temporary room leaving accompanied by stoppage of measurement of the biological information of the patient, a period for leaving a room, a scheduled time for restarting the measurement, and present progress information.
