Daoxiao Noodles is thin and tough, and it keeps picking up, which is fragrant and delicious. Buckwheat is one of people's main foods, which originated in northern China. In ancient times, it was introduced to Japan from China via Korea. Buckwheat and buckwheat noodles are very popular in Japan and Korea now. Longzhong, Longdong, Longnan and other places in the northwest are widely planted. Because of its rich nutrition and special health care ingredients, it is known as a healthy staple food. It is a plant suitable for growing in cold climate, and is planted in Inner Mongolia and Shanxi. Buckwheat is processed into buckwheat noodles, which can be processed into noodles, pressed noodles, glutinous rice balls and bowls, and can be eaten hot or cold. Because it is sugar-free food, it is also delicious for diabetics.