A light-emitting substrate and a display apparatus are disclosed, The substrate includes: a base substrate; a base substrate; a first wiring layer on the base substrate including a first signal line and a second signal line; a first insulating layer on a side of a first wiring layer facing away from the base substrate; and a second wiring layer on a side of the first insulating layer facing away from the base substrate. The second wiring layer includes a plurality of first connecting lines and a plurality of second connecting lines. The first signal line includes a plurality of first sub-signal lines extending in a first direction and arranged at intervals. At least one first sub-signal line is coupled with at least one first connecting line, and the second signal line is coupled with at least one second connecting line.