"Use buckwheat noodles to clear up and pork to make cold noodles" means that buckwheat noodles are put in radish or cabbage pickles, and pork slices are put on them to eat cold noodles. There are two reasons, one is that cabbage pickles and radish pickles are cold; The second is to distinguish it from the bone and face at that time. Cold noodles belong to machine-pressed noodles, including cold noodles and warm noodles. Noodles are made the same way, but the soup is different in cold and hot. Soup is cold, called cold noodles; The soup is hot and is called warm noodles. Cold noodles include flour cold noodles, buckwheat cold noodles, corn noodles, potato paste cold noodles, potato powder cold noodles and so on. Among all kinds of cold noodles, soba noodles are the most important. Cold noodle soup uses stewed beef as the top grade, and cook the meat skimms the oil slick. The seasoning of cold noodles is to mix soy sauce, vinegar, sesame oil, sesame, pepper, Chili noodles, sugar, garlic foam and other condiments into a paste and put them in a bowl properly. In addition, chicken balls, beef slices with sauce, shredded eggs, apple slices, etc. In Yanbian area, these condiments are visualized as cold noodle hats. The flavor of cold noodles varies from place to place. Koreans living in Yanbian and Mudanjiang areas like to eat cold noodles with slightly sweet soup, while Koreans in other areas like to eat cold noodles without sweetness.