1. A method for adjusting an image quality of a 3-dimension (3D) image of a 3D display apparatus which is connected to 3D glasses to display the 3D image, the method comprising: acquiring attribute information of the 3D glasses; and adjusting the image quality of the 3D image to be displayed according to the attribute information of the 3D glasses, wherein the attribute information includes information on optical characteristics of the 3D glasses.