A dyeing/embroidery system including a dyeing apparatus configured to dye a needle thread, wherein the dyeing apparatus includes a dyer configured to apply changing colors to the needle thread in a conveying direction of the needle thread; and an embroidery apparatus configured to perform an embroidery operation on a cloth according to embroidery data, by using the needle thread fed from the dyeing apparatus and a bobbin thread that is fed according to the needle thread being fed, the dyeing/embroidery system being characterized by comprising: a consumption amount detection mechanism configured to detect an actual consumption amount of the needle thread when reaching a consumption amount detection stitch number, that is a predetermined stitch number before a color change position; an assumed consumption amount calculator configured to calculate an assumed consumption amount of the needle thread, based on initial embroidery data input in advance, for a number of stitches representing how many stitches are sewn on the cloth by a needle when reaching the consumption amount detection stitch number; and a thread consumption amount adjuster configured to adjust the actual consumption amount of the needle thread in the embroidery operation by adjusting output embroidery data to be output, based on a difference between the calculated assumed consumption amount of the needle thread and the detected actual consumption amount of the needle thread, wherein the consumption amount detection mechanism is mounted in the dyeing apparatus or the embroidery apparatus, and the assumed consumption amount calculator and the thread consumption amount adjuster are mounted in the dyeing apparatus, the embroidery apparatus, or an upper level control apparatus configured to be connected to the dyeing/embroidery system. a dyeing apparatus configured to dye a needle thread, wherein the dyeing apparatus includes a dyer configured to apply changing colors to the needle thread in a conveying direction of the needle thread; and an embroidery apparatus configured to perform an embroidery operation on a cloth according to embroidery data, by using the needle thread fed from the dyeing apparatus and a bobbin thread that is fed according to the needle thread being fed, the dyeing/embroidery system being characterized by comprising: a consumption amount detection mechanism configured to detect an actual consumption amount of the needle thread when reaching a consumption amount detection stitch number, that is a predetermined stitch number before a color change position; an assumed consumption amount calculator configured to calculate an assumed consumption amount of the needle thread, based on initial embroidery data input in advance, for a number of stitches representing how many stitches are sewn on the cloth by a needle when reaching the consumption amount detection stitch number; and a thread consumption amount adjuster configured to adjust the actual consumption amount of the needle thread in the embroidery operation by adjusting output embroidery data to be output, based on a difference between the calculated assumed consumption amount of the needle thread and the detected actual consumption amount of the needle thread, wherein the consumption amount detection mechanism is mounted in the dyeing apparatus or the embroidery apparatus, and the assumed consumption amount calculator and the thread consumption amount adjuster are mounted in the dyeing apparatus, the embroidery apparatus, or an upper level control apparatus configured to be connected to the dyeing/embroidery system. a consumption amount detection mechanism configured to detect an actual consumption amount of the needle thread when reaching a consumption amount detection stitch number, that is a predetermined stitch number before a color change position; an assumed consumption amount calculator configured to calculate an assumed consumption amount of the needle thread, based on initial embroidery data input in advance, for a number of stitches representing how many stitches are sewn on the cloth by a needle when reaching the consumption amount detection stitch number; and a thread consumption amount adjuster configured to adjust the actual consumption amount of the needle thread in the embroidery operation by adjusting output embroidery data to be output, based on a difference between the calculated assumed consumption amount of the needle thread and the detected actual consumption amount of the needle thread, wherein the consumption amount detection mechanism is mounted in the dyeing apparatus or the embroidery apparatus, and the assumed consumption amount calculator and the thread consumption amount adjuster are mounted in the dyeing apparatus, the embroidery apparatus, or an upper level control apparatus configured to be connected to the dyeing/embroidery system.