Wiring structure, display subtrate and display device

A wiring structure, comprising a body portion provided with a hollow pattern, wherein

• the body portion has a first side and a second side which are provided opposite to each other, and both the first and second sides are wavy along an extending direction of the wiring structure;
• and
• the body portion comprises a plurality of first protruding portions and a plurality of first recessed portions on the first side which are alternately arranged along the extending direction of the wiring structure, and comprises a plurality of second protruding portions and a plurality of second recessed portions on the second side which are alternately arranged along the extending direction of the wiring structure,
• wherein in a direction perpendicular to the extending direction of the wiring structure, at least one first protruding portion of the plurality of first protruding portions on the first side is arranged opposite to a corresponding second recessed portion of the plurality of second recessed portions on the second side,
• wherein each of the first and second sides is provided with at least three protruding portions having different curvature degrees.