* **The production process is different. **Stone-ground sausage noodles use a stone mill to grind the rice slurry and then make it into sausage noodles, while ordinary sausage noodles use a mechanical grinding method to make the rice slurry.

* **Taste is different. **Stone-ground rice noodle has a smoother texture and stronger rice flavor, while ordinary rice noodle has a relatively rougher texture, is not as smooth as stone-ground rice noodle, and the rice flavor is not as good as stone-ground rice noodle.

* **Different appearance. **Stone-ground rice noodle has a more crystalline appearance and better luster, while ordinary rice noodle has a relatively dull appearance.

Overall, the main difference between stone-ground rice noodle and ordinary rice noodle lies in the production process, taste and appearance, each with its own characteristics and advantages. The specific choice of which type of rice noodle can be decided according to personal taste and preference.