Edge correction wrench for metal skin

The invention relates to an edge correction wrench for a metal skin. The edge correction wrench comprises a head and a handle, wherein the head is flat and consists of two correction clamping plates A and a wrench opening A; the inner surfaces of the two correction clamping plates A are parallel to each other; the head is fixedly connected to one end of the handle. Under the condition that parts of an aircraft are not disassembled, the edge of the metal skin of the aircraft can be corrected, so that requirements on a design technology and an aerodynamic configuration are met, the wrench is easy to operate, economical and practical, and the metal skin and a paint layer outside the metal skin are not damaged.