The invention discloses a fiber dyeing device for textile production. The device comprises an outer tank, a draught fan and a filter screen, wherein the outer tank is connected with a motor through atransmission mechanism on the left side, a heating wire is fixed inside the filter screen, a water outlet pipe is arranged below the outer tank, the surface of the outer tank is provided with a No. one cabin door and a No. two cabin door, the right side of the No. two cabin door is provided with a control cabinet, a feed hopper is arranged above the outer tank, the right side of the outer tank isprovided with an observation window, and the right side of an inner tank is provided with a perspective plate. According to the fiber dyeing device for the textile production, the inner tank rotates inside the outer tank, fiber is convenient to dye evenly, meanwhile, the inner tank in rotation can be used for spin-drying residual dye liquor, the fiber is convenient to dry, meanwhile, a heating cylinder is installed above the outer tank and can be used for performing drying treatment on the fiber subjected to dyeing, and the dried fiber is convenient to take out.