This series of automatic computerized flat knitting machines with and without floor lifting devices, adopts digital technology to realize the knitting functions of turning needles, lifting eyes, picking holes, jacquard, clearing and narrowing needles and other regular patterns of flat knitting machines. It can knit basic knitting weave (four flat, single side, etc.), multi-color irregular jacquard, cable and other weft knitting weave. It is suitable for knitting sweaters, scarves, hats and apparel accessories with real yarn, spun silk, synthetic yarn, wool, acrylic, blended yarn and other raw materials.