A transfer dyeing apparatus, comprising: a dyeing box, filled with an inerted gas; a dyeing portion sleeve device, arranged in the dyeing box and configured to dye a surface of a fabric with a dye; a permeation box, arranged downstream of the dyeing box in a moving direction of the fabric and filled with an inerted gas; and a permeation device, arranged in the permeation box and configured to enable the dye on the surface of the fabric to permeate into the fabric, wherein the dyeing box and the permeation box are in communication with each other via a channel allowing the passing of the inerted gas and the fabric, or the dyeing box and the permeation box are integrally formed with each other, the fabric sequentially passes through the dyeing box and the permeation box, and sealing devices are arranged at a fabric inlet of the dyeing box and a fabric outlet of the permeation box respectively, so that the dyeing box and the permeation box are hermetically sealed relative to an environment; characterized in that the sealing device has a housing and an airbag pair in the housing, a side wall of the housing is provided with a cloth inlet and a cloth outlet allowing the passing of the fabric, and the airbag pair comprises two airbags that are opposite to each other and the fabric can pass between the two airbags; and in that the dyeing portion sleeve device has a direct dyeing group pair and a transfer dyeing group pair successively arranged in the moving direction of the fabric, the direct dyeing group pair has two direct dyeing groups which are arranged symmetrically relative to the fabric and comprise anilox rollers, and the transfer dyeing group pair has two transfer dyeing groups which are arranged symmetrically relative to the fabric and comprise plate rollers and transfer rollers. a dyeing box, filled with an inerted gas; a dyeing portion sleeve device, arranged in the dyeing box and configured to dye a surface of a fabric with a dye; a permeation box, arranged downstream of the dyeing box in a moving direction of the fabric and filled with an inerted gas; and a permeation device, arranged in the permeation box and configured to enable the dye on the surface of the fabric to permeate into the fabric, wherein the dyeing box and the permeation box are in communication with each other via a channel allowing the passing of the inerted gas and the fabric, or the dyeing box and the permeation box are integrally formed with each other, the fabric sequentially passes through the dyeing box and the permeation box, and sealing devices are arranged at a fabric inlet of the dyeing box and a fabric outlet of the permeation box respectively, so that the dyeing box and the permeation box are hermetically sealed relative to an environment; characterized in that the sealing device has a housing and an airbag pair in the housing, a side wall of the housing is provided with a cloth inlet and a cloth outlet allowing the passing of the fabric, and the airbag pair comprises two airbags that are opposite to each other and the fabric can pass between the two airbags; and in that the dyeing portion sleeve device has a direct dyeing group pair and a transfer dyeing group pair successively arranged in the moving direction of the fabric, the direct dyeing group pair has two direct dyeing groups which are arranged symmetrically relative to the fabric and comprise anilox rollers, and the transfer dyeing group pair has two transfer dyeing groups which are arranged symmetrically relative to the fabric and comprise plate rollers and transfer rollers.