A touch structure includes a plurality of electrode plates, the plurality of electrode plates are located on a same virtual reference plane, and each electrode plate has a sensing surface. A minimum enclosed pattern region where a whole of the plurality of electrode plates is located is a touch region. The plurality of electrode plates include a plurality of first electrode plates, each first electrode plate has a designated edge, the designated edge constitutes a part of a boundary of the touch region, and at least one designated edge is arc-shaped. An area of a sensing surface of each first electrode plate is in a range of 10 mm2 to 35 mm2.