The present application provides a three-dimensional display apparatus for providing a plurality of view points to a view zone. The three-dimensional display apparatus includes a display panel configured to display a plurality of first sub-images respectively in a plurality of display sub-regions and display a plurality of second sub-images respectively in the plurality of display sub-regions; a main lens configured to focus each of the plurality of first sub-images to a first view point and focus each of the plurality of second sub-images to a second view point; a plurality of first light sources configured to provide back light for the display panel to respectively display the plurality of first sub-images, and a plurality of second light sources configured to provide back light for the display panel to respectively display the plurality of second sub-images.