1. Technology: Xilang rice straw production line has reasonable design, high degree of automation, accurate extrusion parameters control, the host is equipped with high and low pressure screw, which increases the use of raw materials and reduces the cost. The product quality is higher, the variety is more diverse. 2. Process: The production process is simple, a twin screw puffing machine can complete the process of mixing and rubbing, cooking, extrusion molding, made of various sizes of billets, and then drying can be made into smooth surface, realistic shape straw; 3. Products: by adjusting the forming mold and ingredients, edible straws with novel shapes and rich colors can be produced. The appearance of the straw is not different from ordinary straw, the surface is sandy texture, strong and flexible.