The utility model relates to a hot punching and twisting device. The hot punching and twisting device comprises three sets of hot punching and twisting assemblies, and a driving assembly for controlling the hot punching and twisting assemblies to move up and down, wherein each set of the hot punching and twisting assembly is composed of an upper puncher pin assembly and a lower puncher pin assembly which are arranged oppositely; each set of the puncher pin assembly comprises a puncher pin, an electric heating rod mounting plate, a heating groove provided with an electric heating rod, a slide rail fixed with a supporting idler wheel frame and a slide rail seat; each puncher pin is mounted at the head part of each heating groove and is contacted with the electric heating rod in the heating groove so as to conveniently heat the electric heating rod; each electric heating rod mounting plate is made of a bakelite plate with a heat insulation effect; one side of each electric heating rod mounting plate is used for arranging the heating groove and the other side of each electric heating rod mounting plate is fixed on the slide rail of the slide rail seat. The hot punching and twisting device is simple and practical in structural design and can automatically and rapidly finish a hot punching and twisting working process of a heald eye of a single-piece plastic harness wire and an annular hole concave-convex structure; the automation of machining the heald eye of the plastic harness wire is realized and the working efficiency is improved.