Knitting method of four-needle-plate flat knitting machine jacquard front and back needle weave and knitted fabric

The invention discloses a four-needle-plate flat knitting machine jacquard front and back needle weave knitting method, which comprises the following steps: using a four-needle-plate flat knitting machine which is provided with more than one pair of front and back needle beds which extend along the left-right direction and are opposite to each other in the front-back direction, setting a jacquard weave color A area and a jacquard weave color B area according to pattern requirements, and knitting jacquard weave by using a back lower needle bed and a front lower needle bed, in the area where the jacquard weave needs to knit the forward and reverse needle weave, the forward and reverse needle weave is knitted through the empty needle position of the upper needle bed. According to the four-needle-plate flat knitting machine, the double-layer jacquard structure is knitted on the four-needle-plate flat knitting machine, the two unoccupied upper needle plates are used for conducting needle turning knitting on the fr