The utility model provides a clamp, and relates to the technical field of road construction, the clamp comprises two mutually symmetrical clamp bodies, and the two clamp bodies are rotatably connectedat hinge holes of the clamp bodies; wherein each clamp body comprises a handle, an operating rod and a first clamping piece, the handle is arranged at one end of the operating rod, and the first clamping piece is arranged at the other end of the operating rod; wherein the operating rod comprises a first section rod, a second section rod and a third section rod which are connected in sequence, andan included angle between the axis of the first section rod and the axis of the third section rod is 80-100 degrees; the first clamping piece is arranged on the section, away from the second sectionrod, of the third section rod, and the first clamping piece is perpendicular to the plane where the operating rod is located. The kerbstone is clamped by utilizing the friction force between the kerbstone and the clamp; the kerb is quickly carried to a designated position in a labor-saving manner by utilizing a lever principle; due to the structure of the handle and the operating rod, people can open the first clamping piece conveniently, and one person can carry the kerbstone conveniently while lifting the kerbstone.