A display substrate and a manufacturing method therefor, a display panel, a display motherboard and a testing method therefor, and a display device. The display substrate is provided with a display area and at least one wiring area located outside the display area. The display substrate comprises a base substrate (1) and a plurality of connection structures (2) located on the base substrate (1), the plurality of connection structures (2) and a plurality of edge signal terminals (3) being connected by means of control modules. The plurality of connection structures (2), the plurality of edge signal terminals (3), and the control modules are located in the wiring area. The plurality of edge signal terminals (3) are located at the edge of the wiring area, and control circuits (4, 41, 42) are configured to control the connection or disconnection between the plurality of signal terminals (3) and the plurality of connection structures (2).
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