Film slicing has good processing performance and can be used to produce products such as pulling film, blowing film, coating film, and casting film through extrusion equipment; At the same time, according to customer needs, membrane chips can be used as modified raw materials to produce products with different performance. Polylactic acid film has good tear resistance, breathability, light transmission, and oil resistance, and can be used in fields such as transparent tape, supermarket bags, preservation bags, disposable gloves, preservation films, garbage bags, express delivery bags, coated paper cups, etc.