To provide a crossed-reinforcement binding tool to certainly bind a crossed-reinforcement without requiring skill and to bind the lower part of the crossed-reinforcement which is not conventionally done.

This crossed-reinforcement binding tool is constituted to be capable of stamping out a binding wire rod 4 and elevating a main body 1 and a lower arm 7 by one operation of a handle A as the binding wire rod 4 takes the same shape as to half rotate simultaneously when it is stamped out as it has a means to stamp out the binding wire rod 4 by a projected piece 5 provided with a U shaped cutout and a magazine 3 accumulating the binding wire rod 4 and a mechanism to twist the stamped out binding wire rod 4 is made a groove 8c and a groove 8D.