The utility model discloses a positioner is connected to flexible plank sheathing. Its connecting piece is flexible construction, is hollow banding, and it is very little that the cavity size is greater than wooden model board ruler, the connecting piece outside sets up a plurality of locating pins, inserts the reinforcing bar stake in the locating pin. The utility model discloses the connection location of curve plank sheathing can be accomplished, also sharp plank sheathing can be be used for, the outside is connected smooth -goingly in the template, location time is accomplished and is finalized the design, and the spacer bar can play formwork support's effect, and the template can not formwork -moving, device repeatedly usable can be used in the template junction, also can advance line location in template optional position installation.