This equipment plasticizes two identical or different materials through two extruders and extrudes them into a co-extrusion compounding machine to produce a co-extruded composite film, thereby greatly improving the physical properties of the film, increasing its strength, and giving the film Good barrier properties and air tightness. In addition, a continuously rotating machine head can be used to make the product smooth and uniform, ensuring the quality requirements of the film for packaging, printing and other subsequent process equipment. It is suitable for the production of composite fully biodegradable plastic films, insulating films, multi-functional agricultural films, etc.