Abstract: Laborsaving pliers includes a first main body composed of a first handle at a lower end and a first working portion at the upper side. The first working portion is provided with a first combining member having a first jaw, and an arcuate slide groove is bored between the first combining member and the first handle. A second working portion is provided with a second combining member to be combined with the first combining member, having a second jaw corresponding with the first jaw, and the second combining portion has fixed with a combining rod. A second handle has an upper end secured with a sliding rod to slide in the arcuate slide groove, having a slide-joint groove positioned adjacent to the center for the combining rod to slide therein.