The present disclosure provides a display substrate and a display apparatus. The display substrate has a display region, and the display substrate includes a base substrate and a plurality of gate lines and a plurality of data lines on the base substrate; the plurality of gate lines and the plurality of data lines are arranged to cross each other to define a plurality of pixel regions, and a pixel unit is arranged in a pixel region of the plurality of pixel regions; each pixel unit includes a thin-film transistor and a light-emitting device in the display region; the display substrate further comprises a plurality of fan-out traces in the display region, wherein each fan-out trace of the plurality of fan-out traces is electrically connected to a data line corresponding to the fan-out trace, and is arranged in a different layer from the date lines and the gate lines.