There is a lot to be said for the chili oil in Lanzhou beef noodles. The first from the spiciness of the choice, the spiciness of high chili pepper, such as, India devil pepper, millet spicy, chili king, such general hot pot store with more. Secondly, from the color aspect, the spiciness of high chili pepper basic aroma is low, and refining out of the color of the red oil is also of low quality, so the spiciness requirements of the catering industry will generally choose a variety of different types of chili mixed use. Thirdly, from the perspective of aroma, which is the secret of Lanzhou ramen chili oil, Lanzhou ramen restaurant chili, most of them are selected from the local Lanzhou a unique line pepper, because of its appearance of long, thin, folded, very similar to the two thorns and Guangxi's wrinkled pepper, this chili pepper spiciness is very low, but the degree of aroma and coloring belongs to the high quality of the chili pepper, Lanzhou ramen restaurant chili pepper basically are used in this kind of line pepper,