The present invention, according to one embodiment of the present invention, provides a method for determining the emotion of a user, and a device therefor. The method comprises the steps of: providing, via a head-mounted display (HMD) device configured to acquire first gaze data and first brain wave data of a user, a first user interface including a first visual object; acquiring, via the HMD device, the first brain wave data, of the user, corresponding to the first visual object associated with the first gaze data; determining the acquired first brain wave data to be reference biometric information for determining the emotion of the user; providing, via the HMD device, a second user interface including a second visual object; acquiring, via the HMD device, second gaze data, of the user, for the second visual object, and acquiring, via the HMD device, second brain wave data, of the user, corresponding to the second visual object associated with the acquired second gaze data; and generating emotion information associated with the second visual object on the basis of the reference biometric information and the second brain wave data.
METHOD FOR DETERMINING EMOTION OF USER AND DEVICE THEREFOR