PURPOSE: To dispense with a continuous mount for attaching label by a method wherein the label cut into a predetermined length is sucked and moved upwards and the label thus moved upwards is revolved in a predetermined position and is pressed for attachment to an object to be labeled opposite to the revolving position.

CONSTITUTION: A cutting blade 14 is provided which is moved along a gap between a first guide stand 11 and a second guide stand 13 oppositely positioned to cut label 1 into a predetermined length. The label 1 thus cut is held by suction on the longitudinal surface of a sucking stand 26 and moved upwards by a transfer mechanism 27. A pinion 40 receives motion from the transfer mechanism moving upwards to revolve on its axis 39 in a desired direction. A lifting cylinder 32 is then actuated to force the sucking stand 26 against a net-like bag S from a position Q opposite to the bag S. In this way a continuous mount is dispensed with and an inexpensive labeling operation can continuously be performed.