An automatic winder comprising: a plurality of rewinding units for unwinding yarns wound on bobbins, to form packages, each of the plurality of rewinding units comprising a data reading part, a unit control section, and a data writing part; the automatic winder being connectable to a bobbin transport mechanism for transporting a transporter on which a bobbin is set, the transporter including a data recording section configured to record information; and a management system for managing information of the bobbin set on the transporter, wherein the management system comprises: the data reading part of each of the plurality of rewinding units for reading the information from the data recording section corresponding to the bobbin on which a rewinding operation is performed; and the unit control section of each of the plurality of rewinding units for, when the rewinding operation is interrupted halfway, recording rewinding information indicating a rewinding condition and a rewinding status obtained at a time when the interruption occurs, and when performing the rewinding operation again using the bobbin on which the rewinding operation has been interrupted halfway, controlling the rewinding unit having the bobbin transported thereto based on the rewinding information of said bobbin, and the data writing part of each of the plurality of rewinding units for recording the rewinding information into the data recording section of the transporter, and wherein, in a case where the rewinding operation is interrupted, the rewinding information is written into the data recording section, and wherein, when performing the rewinding operation again using the bobbin on which the rewinding operation has been interrupted halfway, the rewinding unit having the bobbin transported thereto is controlled based on the rewinding information recorded on the data recording section. a plurality of rewinding units for unwinding yarns wound on bobbins, to form packages, each of the plurality of rewinding units comprising a data reading part, a unit control section, and a data writing part; the automatic winder being connectable to a bobbin transport mechanism for transporting a transporter on which a bobbin is set, the transporter including a data recording section configured to record information; and a management system for managing information of the bobbin set on the transporter, the data reading part of each of the plurality of rewinding units for reading the information from the data recording section corresponding to the bobbin on which a rewinding operation is performed; and the unit control section of each of the plurality of rewinding units for, when the rewinding operation is interrupted halfway, recording rewinding information indicating a rewinding condition and a rewinding status obtained at a time when the interruption occurs, and when performing the rewinding operation again using the bobbin on which the rewinding operation has been interrupted halfway, controlling the rewinding unit having the bobbin transported thereto based on the rewinding information of said bobbin, and the data writing part of each of the plurality of rewinding units for recording the rewinding information into the data recording section of the transporter, and wherein, in a case where the rewinding operation is interrupted, the rewinding information is written into the data recording section, and wherein, when performing the rewinding operation again using the bobbin on which the rewinding operation has been interrupted halfway, the rewinding unit having the bobbin transported thereto is controlled based on the rewinding information recorded on the data recording section.