A digital garment and a fabrication method thereof are provided. The digital garment is fabricated using a knitting technique. The digital garment comprises a plurality of knitting yarns forming loops at regular intervals and interwoven through the loops, and one or more conductive digital yarns tied to the loops of the knitting yarns to form high-speed information communication circuits. The knitting yarns and the digital yarns are knitted together into a garment. During knitting, the digital yarns are used to form high-speed information communication circuits in a rapid and economical manner.