The invention discloses a wrench with a shaking head. The wrench comprises a wrench head and a first handle; the wrench head is provided with a convex pivot part, and a first pivot hole is formed in the pivot part in a penetrating mode; one end of the first handle is provided with a concave pivot joint part, the two side walls of the concave pivot joint part are provided with second pivot holes in a penetrating mode, and the second pivot holes are aligned with the first pivot hole of the pivot part so that a shaft bolt can penetrate through the second pivot holes and the first pivot hole to be fixed in a matched mode; the first handle and the wrench head are in pivot joint to be in a pivoted state; the side face of the pivot part is provided with n groove-hole-shaped positioning joints, and all the positioning joints are circumferentially distributed with the circle center of the first pivot hole as the center; an installation through hole is formed in the side wall of the pivot part, and a positioning pin is arranged in the installation through hole in a penetrating mode; and a first hand shank is arranged at the outer end of the positioning pin, the shape of the inner end of the positioning pin is matched with that of the positioning joints so that the inner end of the positioning pin can be clamped into the positioning joints. The structure is simple, the number of the components and parts is small, and the manufacturing cost is low.