An exemplary tracing-type stereo display apparatus includes a tracing member, an index member, a sub-pixel array, and a stereo display member. The tracing member is configured for obtaining a space position of a viewer. The index member is configured for obtaining an index factor according to the space position and generating an index table according to the index factor. The sub-pixel array member configured for arraying sub-pixels according to the index table. The stereo display member configured for displaying the sub-pixels arrayed according to the index table. A tracing-type stereo display method is also provided in the present disclosure.