LL-3FN pneumatic wire stripper twister for multi-core cable included rack, up and down templates, each equipped with a stripping knife on both templates and clamp block; up and down knife holders connection through the guide column, templates on the rack fitted with two cylinders, respectively control stripping knife and clamp block, there is a controlled stripping cylinder after the rack,there is a small tooth block that twisting apparatus designed opposite to the vertical knife holder, equipped with pinions alongside with tooth strip,gear group constitute by large gears and twist tools; tooth strip meshes with pinion, large gear meshed moving with twist tool makes machine stripping.