Knitting method of jacquard floating thread pre-winding weave of four-needle-plate flat knitting machine and knitted fabric

The invention discloses a knitting method of a four-needle-plate flat knitting machine jacquard floating thread pre-winding weave, which comprises the following steps of: setting a jacquard weave color A area and a jacquard weave color B area according to pattern requirements by using the 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; the jacquard weave is knitted through the rear lower needle bed and the front lower needle bed in a needle separation mode, and in the area, where the jacquard weave needs to be provided with the floating thread winding front weave, the floating thread winding front weave is knitted after needle turning is conducted through the empty needle position of the upper needle bed. The double-layer jacquard structure is knitted on the four-needle-plate flat knitting machine, and the two unoccupied upper needle plates are