Leveling device and easy-to-level display screen

A leveling device for adjusting an installation gap between a first component and a second component, the first component and the second component respectively having a cooperative installation surface, wherein:

• the cooperative installation surface of the first component is provided with at least one leveling device;
• the leveling device comprises a driving device installed in the cooperative installation surface of the first component and an adjustment head rotatably connected to the driving device, and the adjustment head moves upwardly or retracts downwardly relative to the cooperative installation surface of the first component;
• and
• the driving device drives the adjustment head to protrude outside an installation position thereof and abut with the second component located on an opposite side of the installation position of the adjustment head, so as to adjust the gap between the first component and the second component,
• wherein the adjustment head comprises an upper cover head, an inner core body and an elastic supporting piece, a center of the upper cover head is provided with a concave containing cavity, an opening of the containing cavity is arranged towards the cooperative installation surface, the inner core body is arranged in the containing cavity, the elastic supporting piece is arranged between the upper cover head and the cooperative installation surface to support the inner core body on the cooperative installation surface of the first component, and the driving device is connected to the inner core body in a transmission way.