Ultrasonic sewing machine and ultrasonic sewing machine are widely used in seamless garment industry. The fusion between two fabrics will use ultrasonic sewing machine. The ultrasonic sewing machine has a popular sewing machine platform, which can be operated skillfully without special training. It just operates like the existing sewing machine. Ultrasonic sewing machine will cut fabric with sealer. When the cutting and sealing operation is re opened, the connecting line of the fabric board will be almost invisible, and the seam will not be thicker than the fabric itself.