PROBLEM TO BE SOLVED: To provide a biological information monitor capable of checking a content of comments on an individual patient from a basic screen at all times.SOLUTION: A biological information monitor for monitoring states of a plurality of patients includes acquisition means for acquiring biological information data of the plurality of patients from the outside, display means for displaying the biological information data of the individual patients in the individual display zones in a basic screen having a plurality of display zones that divide a display area of a display screen, and comment processing means for performing input processing for a comment related to any one of the plurality of patients. The display means displays at least part of the input comment in the display zone corresponding to a patient of the plurality of display zones when the comment related to that patient of the plurality of patients is input by a user operation through the operation means.
