Stress management system and stress management method

The invention relates to a stress management system and a stress management method. A stress management system comprises: a first sensor that detects biological data of a user; a second sensor that detects life log data indicating an action history of the user; a generator that generates stress data using the biological data, the stress data indicating a time series variation of a stress level ofthe user; an estimator that, when the stress level of the user included in the stress data exceeds a first threshold, estimates whether or not stress of the user is interpersonal stress caused by contact with another person, using the life log data; and a notifier that notifies the user of a result of the estimation by the estimator and notifies a notification target person different from the userof notification content based on the result of the estimation by the estimator. As a result, not only the user but also other people who are in contact with the user also notice that the user is under interpersonal pressure.