This machine is an intelligent computer sewing machine designed to prevent bird's nest incidents. The large screen has simple operation settings and uses a large number of easy to understand illustration icons for intuitive operation. Equipped with a new double round knife for thread cutting, the cutting can be completed directly below the machine needle hole. Therefore, the shortest thread end after sewing can reach 3mm, which can effectively reduce the manual cutting workload after sewing. And further expand the sewing range, suitable for sewing various fabrics such as denim and yarn. The quality of bird nests has been improved by reducing the number of bird nests, which eliminates the trouble of removing stitches; The sealed oil pan design structure avoids seam material contamination caused by oil stains.