A touch substrate, comprising: a touch structure layer arranged on a base, wherein the touch structure layer comprises a plurality of first touch electrodes disposed in a first direction (D1, X) and a plurality of second touch electrodes disposed in a second direction (D2, Y); the first direction (D1, X) and the second direction (D2, Y) intersect; the touch structure layer comprises a metal mesh; the metal mesh comprises a plurality of mesh patterns ; the plurality of mesh patterns are polygon composed of a plurality of metal lines; the plurality of mesh patterns are provided with a plurality of first notches and a plurality of second notches ; the plurality of first notches are located at boundary positions of the first touch electrodes and the second touch electrodes ; the plurality of second notches are located at other positions except for the boundary positions; each of the plurality of first notches is configured to enable a corresponding metal line to form first broken lines , and each of the plurality of second notches is configured to enable a corresponding metal line to form second broken lines ; and characterized in that , in the plurality of mesh patterns , the first broken lines and the metal lines adjacent to the first broken lines form a first broken line unit, and the second broken lines and the metal lines adjacent to the second broken lines form a second broken line unit; and a form of the first broken line unit comprises one or more end surface shapes of the first broken lines , and a form of the second broken line unit comprises one or more end surface shapes of the second broken lines ; and the one or more end surface shapes of the first broken lines are different from the one or more end surface shapes of the second broken lines . a touch structure layer arranged on a base, wherein the touch structure layer comprises a plurality of first touch electrodes disposed in a first direction (D1, X) and a plurality of second touch electrodes disposed in a second direction (D2, Y); the first direction (D1, X) and the second direction (D2, Y) intersect; the touch structure layer comprises a metal mesh; the metal mesh comprises a plurality of mesh patterns ; the plurality of mesh patterns are polygon composed of a plurality of metal lines; the plurality of mesh patterns are provided with a plurality of first notches and a plurality of second notches ; the plurality of first notches are located at boundary positions of the first touch electrodes and the second touch electrodes ; the plurality of second notches are located at other positions except for the boundary positions; each of the plurality of first notches is configured to enable a corresponding metal line to form first broken lines , and each of the plurality of second notches is configured to enable a corresponding metal line to form second broken lines ; and characterized in that , in the plurality of mesh patterns , the first broken lines and the metal lines adjacent to the first broken lines form a first broken line unit, and the second broken lines and the metal lines adjacent to the second broken lines form a second broken line unit; and a form of the first broken line unit comprises one or more end surface shapes of the first broken lines , and a form of the second broken line unit comprises one or more end surface shapes of the second broken lines ; and the one or more end surface shapes of the first broken lines are different from the one or more end surface shapes of the second broken lines . <EOS>