Beef noodles, a common pasta, is also a traditional famous food in Lanzhou. It has the characteristics of "one clear, two white, three green, four red and Huang Wu" and is famous all over the country. There will be signs of "Lanzhou Authentic Beef Lamian Noodles" all over the country, but they are not authentic. Lanzhou beef noodles can only be the original flavor of Lanzhou.