The present invention provides a flat display with replaceable base stand. The flat display has a flat display panel for displaying an image frame, a support pedestal rotatably installed on the back of the flat display panel, and a base stand comprising an opening which can accommodate the support pedestal. The support pedestal has a protruding portion installed on the back of the flat display panel and a fixture rotatably installed on the protruding portion. The fixture fits inside the opening of the base stand to rotatably install the flat display panel onto the base stand.