Display substrate and display mother board

The utility model provides a display substrate and a display mother board, the display substrate comprises a middle area and an edge area located on the periphery of the middle area, and the middle area comprises a plurality of panel units distributed in an array; the display substrate comprises a substrate body, a first electrode and a second electrode, the panel circuit is located on the substrate base plate, and the panel circuit comprises at least one of a touch control circuit and a display circuit; the panel circuit is electrically connected to the test circuit, and the orthographic projection of the panel circuit and the orthographic projection of the test circuit on the substrate are both located in the middle area, so that gaps are reserved between the panel circuit and the edge of the substrate as well as between the test circuit and the edge of the substrate. According to the display substrate and the display mother board provided by the embodiment of the invention, electrostatic damage can be reduced, and the electrostatic protection effect is improved.