The differences between rice noodle, cold noodle, vermicelli and rice noodle are as follows:

1. Raw material production: rice noodle and rice noodle are made of rice flour, while cold noodle and noodle are made of wheat. Made of starch.

2. Regional distribution: Rice noodles are mainly in the south, while cold noodles and vermicelli are mainly in the north, and river noodles are mainly in Guangdong.

3. Shape production: The shape of rice noodle and cold noodle is usually more slender, while the shape of pink noodle is usually wider. Pho is in the shape of wide, flat strips.

4. How to eat: Liangpi and vermicelli are usually eaten cold, while rice noodle is usually eaten cold or stir-fried, and rice noodles can be fried or boiled.

5. Taste: The texture of rice noodle is usually soft and waxy, the texture of cold noodle and vermicelli is usually smoother, and the texture of rice noodle is usually chewy.

In summary, these types of foods have some subtle differences in raw materials, geographical distribution, shape production, eating methods and taste.