A bio information measurement device and a bio information measurement method are provided. The bio information measurement device includes: a heart information acquisition unit for acquiring heart information a brainwave information acquisition unit for acquiring brainwave information a control unit for acquiring heart-brain synchronization information on the basis of the heart information and the brainwave information and a display unit for displaying the heart-brain synchronization information. According to the present invention, it is possible to provide a health index reflecting the influence of both the automatic nervous system and the central nervous system.
