The invention provides a jacking mechanism which comprises a base body and a jacking component arranged on the base body, wherein the jacking component comprises sliding parts, guide shafts and a jacking parts; the sliding parts are slidably arranged on the side surfaces of the base body; the sliding parts are provided with oblique guide parts in a penetrating manner; each guide shaft is partially accommodated in the base body, and at least one end part of the guide shaft is positioned in the guide part; the jacking parts are arranged in the base body and are capable of extending out from the base body; the jacking parts are connected with the guide shafts; when the sliding parts move relative to the base body, the guide shafts are capable of moving along the guide parts, so as to drive the jacking parts to extend out or retract back relative to the base body. The jacking mechanism provided by the invention is compact in structure and small in occupied space.