To improve durability of a roller pulling device and reduce a price.

This picking device in a loom has a weft-holding tool 91 installed between a roller pulling device 30 and a posture-controlling nozzle 71 so that the pulling by the roller pulling device 30 may be starred after allowing weft Y to be held by the weft-holding tool 91 and changing a changing means 50 to a pulling position to store a prescribed amount of the weft Y pulled out from a length-measuring and storing device by the roller pulling device 30 between the roller pulling device 30 and the weft-holding tool 91. The picking device also has a controlling device for opening the weft-holding tool 91 and inserting the weft Y into the opening of warp by a jetting fluid of a posture-controlling nozzle 71.