The invention belongs to the technical field of wire bending pliers, and in particular to a convenient-to-adjust wire bending pliers, which comprise a needle-nose pliers, an inverted L-shaped press head is sleeved on a left jaw, the lower end surface of the inverted L-shaped press head is provided with a first frustum blind hole which matches the upper end of the left jaw, the right end surface ofthe inverted L-shaped press head is provided with an arc-shaped gap, a rectangular block is sleeved on a right jaw, the lower end surface of the rectangular block is provided with a second frustum blind hole which matches the upper end of the right jaw, the upper portion of the front end surface of the rectangular block is provided with a rectangular hole, the right end surface of the rectangularblock is provided with a first stepped hole at a position corresponding to the rectangular hole, a clamping block is fixed at one end of each rack, one end, which is close to the inverted L-shaped press head, of the side of each clamping block is provided with a V-shaped notch, one end, which is far from the inverted L-shaped press head, of the side of each clamping block is provided with a rectangular notch which matches the other rack, and the right end of a first hexagonal prism passes through the first stepped hole and is connected to a rotary disk. The objective of the invention is to solve the problems of inconvenience in carrying and use and narrow application range caused by the structural defects of conventional tools for the secondary bending of wires.