The present disclosure provides a shaft structure and an electronic device. A shaft structure includes a first fixing bracket, a second fixing bracket, and two or more dual-shaft modules. A dual-shaft module comprises a connecting element, a first shaft, a second shaft, a synchronizing element, a first fixing element, and a second fixing element. The first shaft and the second shaft are linked to the connecting element and rotate with respect to the connecting element. The synchronizing element is connected to the first shaft and the second shaft respectively to synchronize rotations of the first shaft and the second shaft. The first fixing element is connected to one end of the connecting element and the first fixing bracket. The second fixing element is connected to another end of the connecting element and the second fixing bracket.