Buckwheat and buckwheat noodles are two different flours, their differences are as follows:

1. Different sources: buckwheat is made from buckwheat flour, while buckwheat is made from buckwheat flour.

2. Different colors: buckwheat is dark brown, while buckwheat is gray-yellow.

3. Aroma difference: buckwheat has a bitter taste, while buckwheat noodles have a burnt flavor.

4. Nutritional composition is different: buckwheat noodles than buckwheat noodles contain higher protein, fat and fiber, but also contains a certain amount of flavonoids, the human health has a certain protective effect; and buckwheat noodles contain more vitamins, minerals and carbohydrates.

5. Different uses: buckwheat noodles have a stronger bitter flavor, and are mostly used in pastries, pastries, cheese and other advanced baking; while buckwheat noodles are often used to make traditional Chinese noodle dishes, such as oat noodles, buckwheat cookies and so on.