Beef noodles, is a common pasta, is also a traditional food in Lanzhou City, Gansu Province; the dish has the characteristics of "one clear, two white, three green, four red, five yellow", and the color and fragrance are beautiful, and the country is famous. There will be signs of "Lanzhou authentic beef ramen" all over the country, but in fact, they are not authentic, Lanzhou beef noodles can only reach the original flavor in Lanzhou. Lanzhou, or Gansu only beef noodles, no Lanzhou ramen.