Mountain plate assembly of flat knitting machine and flat knitting machine

The invention discloses a flat knitting machine hill plate assembly and a flat knitting machine, the flat knitting machine hill plate assembly comprises a triangle bottom plate, a control mechanism installed on the triangle bottom plate, and a knitting needle assembly moving along the surface of the triangle bottom plate, the control mechanism comprises a driver, and a needle pushing triangle assembly, a needle raising triangle assembly and a loop transfer triangle assembly which are arranged along the vertical surface of the triangle bottom plate in a penetrating manner; the two ends of the driver control the needle pushing triangular assembly and the loop transferring triangular assembly to move along the vertical face of the triangular bottom plate respectively, the knitting needle assembly comprises a knitting needle, an auxiliary stitch and a needle selecting stitch, and the triangular bottom plate is provided with a knitting needle passage for guiding the knitting needle to move, an auxiliary needle pas