The extrusion type pet snack production line is an industrial automatic production line that uses various animal products and cereal ingredients as the main raw materials to produce pet chews, meat sticks and other pet snacks. The production line adopts the production process of screw extrusion, ripening and molding, which is completed at one time. The protein and starch in the material are ripened and denatured by using high temperature and high pressure during the extrusion process, and then are bonded and molded. The extrusion shape can be adjusted by changing the mold after being extruded by the mold; It can also be equipped with multiple extruders or sandwich equipment to produce sandwich and multi-color pet snacks and expand product categories; The extruded products are then cooled and shaped, cut off, cooled and dried to finally produce finished products; The production process of this production line is completed at one time from feeding to finished products, with high degree of automation, tight connection between equipment, no redundant configuration, and the main material is food grade stainless steel; The production line has a high degree of automation, stable product quality, continuous production (no less than 72 hours of continuous production), no waste, and low energy consumption; Support customized design and manufacturing, and fully cooperate with the production needs of customers.