Patient monitor and physiological information management system

A physiological information management system comprising:

• a patient monitor configured to measure vital signs of a patient;
• and
• an imaging unit configured to produce a taken image and to send the taken image to the patient monitor,
• wherein the patient monitor includes:
• a folder creating section configured to newly create a first folder in a first hierarchy of a file system in response to an occurrence of a first event, and to newly create a second folder in response to an occurrence of a second event in the first folder that is last created;
• and
• a file operating section configured to store an image file relating to image information that is supplied from the imaging unit, in the second folder last created by the folder creating section.