A displaying method for control content includes the following steps that S1, a square original control, a control content set and a round guide disc control are provided, a two-dimensional coordinate system is established with the starting point of the original control as an original point, the two sides, extending outwards from the starting point, of the original control are on the X positive axis and the Y positive axis, the lengths of the control content set are Cx and Cy respectively in the X-axis direction and the Y-axis direction, the control content set is composed of control content within the range, and the lengths of the original control are Wx and Wy in the X-axis direction and the Y-axis direction; S2, the guide disc control is controlled to move in the original control, and the original control selects the control content within the certain range in the control content set for displaying according to the position of the guide disc control. The control content displayed through the original control can be visually and accurately selected through the guide disc control, and when the control content is large, the content displayed through the original control is convenient to select.