To provide a yarn-producing apparatus capable of preventing the decrease in yarn yield by the breakage of the yarn at the side of a winder in the normal winding up state of the yarn by the breakage of at least one yarn in a group, and further preventing responsibility work for a worker from being increased.

This yarn producing device having a first yarn-sending roller 11 for sending out yarns, a second yarn-sending roller 12, winders 1-A and 1-B for winding up the yarns, yarn-breakage detectors 15-A and 15-B for detecting the breakage of at least one of winding yarns, and a broken yarn- sucking device 7-A and 7-B for sucking broken yarns based on the yarn- breakage detection signal and installed in the upstream side of the roller, is constituted so that the broken yarn-sucking device 7-A and the winder 1-A, or the broken yarn-sucking device 7-B and the winder 1-B may be arranged as one winding unit, and at least two winding units may share at least one of yarn-sending rollers 11 and 12.