Display substrate, driving method thereof and display device

The invention discloses a display substrate, a driving method thereof and a display device, the display substrate comprises a plurality of circuit units, at least one circuit unit at least comprises a pixel driving circuit and at least one control signal line, and the pixel driving circuit further comprises a stable transistor connected with a first node and a fifth node; the control signal line comprises a light-emitting signal line and a sixth scanning signal line, and the stable transistor is connected with the sixth scanning signal line; the display substrate further comprises a first data unit and a second data unit, the first data unit is connected with the sixth scanning signal line, and the second data unit is connected with the light-emitting signal line. At least part of the time period in which the first data unit provides the effective level signal to the sixth scanning signal line is at least partially overlapped with the time period in which the second data unit simultaneously provides the effec