A breast massage device includes a main body; a drive unit installed within the main body; and a massage disk mounted on the main body and electrically coupled with the drive unit so as to be driven rotatably thereby, the massage disk having an external surface that is used for covering a breast and that is contoured to possess at least two arcuated areas extending in an asymmetric inclination manner relative to each other, and a plurality of massage elements mounted rotatably on the arcuated areas such that the massage elements are rotatable relative to the external surface upon activation of the drive unit.