The present invention provides a yarn coiling apparatus and a fiber machinery. The coiling unit (1) comprises: a bobbin support part (2) configured to supply yarn; a coiling device configured to coil the yarn of the bobbin support part (2) to form a coil package (P); a joining device (10) configured to take the processing of the coiling apparatus (13) to coil the yarn (Y) as a coiling processing institution; and a driving motor (23) configured to drive the joining device (10). The coiling unit (1) has a motor current regulation part (42) and a drive motor (23) configured to drive the joining device (10). The coiling unit (1) has a motor current regulation part (42) configured to set the current given to the drive motor (23) to be a first value when the state of the coiling unit (1) is a first state and set the current given to the drive motor (23) to be a second value larger than the first value when the state of the coiling unit (1) is the second state different from the first state.