1. Appearance and taste: Compared with fine noodles, wide noodles are wider, so the taste will be thicker, more biting and more elastic. Noodles are more delicate, easy to cook and soft and smooth in taste.

2. Production technology: The production technology of lasagna and fine noodles is also different. Generally speaking, lasagna is extruded by machine, while fine noodles are made by kneading, rolling and slicing with water.

3. Applicable occasions: Because lasagna has a strong taste, it is suitable to be paired with thick soup base or seasoning, and is suitable for mixing noodles, fried noodles or mixed noodles. Fine noodles, because they are delicate and soft, are more suitable to be paired with clear soup or thin soup base, so they are more suitable for making Hu spicy soup noodles, sesame sauce noodles or Zhajiang Noodles.

4. Selection of raw materials: The flour used for lasagna and spaghetti is also different. Generally speaking, the flour used to make lasagna is rough and contains more dietary fiber, which is more conducive to digestion. The flour used for fine noodles is more delicate, which is conducive to making a more delicate taste.

Generally speaking, lasagna and fine noodles have their own characteristics and applicable occasions, and the choice of noodles should be decided according to personal taste and dietary needs.