This machine adopts a linkage type up and down feeding mechanism and a presser foot alternating lifting mechanism, ensuring smooth feeding. The use of built-in servo motors directly drives the machine, achieving fast start-up and precise braking; At the same time, advanced integrated computer control technology is adopted, with stable performance and strong anti-interference ability. It has multiple intelligent sewing modes such as automatic needle positioning, automatic needle counting, automatic counting reverse sewing, automatic thread cutting, electronic thread clamping, and automatic foot lifting. While sewing, complete the trimming process of the fabric, ensuring stable stitching and neat trimming. Equipped with various specifications of cutting blade devices to choose from, namely synchronous action between the cutting blade and needle bar and asynchronous action between the cutting blade and needle bar, widely used in leather, canvas, seat cushions, sofas, luggage, denim clothing, etc.