The article presents the overiew of the reference project and the shield machine, as well as the dimensions of each part of the shield machine and the preparation for the disassembly of the shield machine in respect of labors, machinery, tools and materials. The article places its emphasis on the presentation of the disassembly steps of the shield machine, which consists of the main body of the shield machine and the backup gantries. The article also recommends some issues to which special attention should be paid during the disassembly of the shield machine.