Sweater-like large-stitch-length super-soft-touch knitted fabric and preparation method thereof

The invention provides a sweater-like large-stitch-length super-soft-touch knitted fabric and a preparation method, the fabric is of a double-sided four-needle-passage knitted structure, and four paths of knitted patterns are used as a cycle; the four paths of patterns are as follows: the first path is upper needle looping, upper needle floating thread, lower needle floating thread and lower needle looping; the second path comprises an upper needle floating thread, an upper needle loop, a lower needle floating thread and a lower needle loop; the third path comprises an upper needle loop, an upper needle loop, a lower needle floating thread and a lower needle floating thread; the fourth path comprises an upper needle floating thread, an upper needle floating thread, a lower needle loop and a lower needle loop; the first path and the second path are elastic connecting yarns; the third path is soft lining yarns, and the fourth path is rough surface layer yarns. According to the sweater-like large-stitch-length s