Whether to soak vermicelli in hot water or cold water depends on the quality of vermicelli. Don't soak if you can't make it. If it's ok, it will rot after a while. You can soak it in cold water. There is a kind of wide vermicelli. No matter how you cook it, you need to cook it first, but it's not delicious to soak it.

So whether to use hot water or cold water for soaking vermicelli depends on the quality of vermicelli. The nutritional value of vermicelli soaked in hot water or cold water is also very high, so it is very suitable to eat certain vermicelli in moderation. However, vermicelli is usually dried, and there will inevitably be a little dust in the sun, and it should be soaked in warm water for the taste.