Abstract: The present invention relates to a smart magic cube providing a cube game by changing lights of respective cells constituting a magic cube while the cells are fixed, and an operation method thereof. A smart magic cube of the present invention includes: a cube housing in which each surface is divided by N×N cells; a light emitting part formed inside each cell and emitting at least one type of light externally through a surface of the cell; six rotation means formed in a rotatable manner; a rotation sensing part sensing a rotation direction and a rotation angle of the rotation means; and a control part controlling the light emitting part to change and emit lights such that border cells of a surface where the rotated rotation means is formed, and cells of four different surfaces adjacent to the border cells output lights changed according to a preset rule.