A plurality of first touch patterns of a touch substrate are disposed separately and disposed on the substrate along a first direction. A plurality of second touch patterns are separated from each other and disposed on the substrate along a second direction and interlace with the first touch patterns. One of the first touch patterns includes a plurality of first main portions extended along the second direction, a plurality of branch portions connected to the first main portions and extended along the first direction, and a plurality of first protruding portions connected to the branch portions and extended along the second direction. The first main portions and the first protruding portions are respectively disposed on two ends of the branch portions. The branch portion includes a middle section and two extending sections, and the minimum width of the middle section is less than that of the extending sections.