The utility model relates to a common cantilever scaffold profile steel tail-end detachable anchoring device. The device comprises an upper steel plate, a bottom steel plate, two lead screws and nuts. The sections, making contact with poured concrete, of the lead screws are sleeved with PVC sleeves with the corresponding length. Isolation adhesive tape is wrapped on the outer layer of the bottom steel plate. The lead screws are fixed to the bottom steel plate in a welded mode. The upper steel plate is provided with holes used for allowing the lead screws to penetrate through and fixing the upper steel plate through the nuts. The common cantilever scaffold profile steel tail-end detachable anchoring device has the advantages that a anchor part fixing device is high in repeated recovery and usage rate, operation is easy, efficiency is improved, and the construction period is shortened.