Yanji cold noodles are becoming more more popular in China. You can eat Yanji acorn cold noodles in many street snack shops. Yanji cold noodles are extruded the mould put into the boiling pot for cooking. After being taken out supercooled, they are put in a bowl, then the cold noodle soup seasonings are added to eat.

In Northeast China, Yanji cold noodles are also known as Korean cold noodles acorn cold noodles. Li Fanzhu, a professor of food science engineering at Yanbian University, said that the Korean cold noodles were recorded for the first time in the Koryo picture book written by Xu Jing, an envoy of the song state in Korea.

Korean cold noodles are composed of noodles, cold noodle soup, sauce, mustard sauce ornaments. Noodles are usually made of buckwheat flour potato starch in a certain proportion. Cold noodle soup is made broth fish soup radish pickle soup. Use pepper flour, garlic paste, salt, vinegar, etc. to mix into sauce. Mustard seed powder is fermented with water to make mustard sauce. Egg cakes, egg slices, pine nuts, cucumbers, etc. are used as ornaments.

Many people who eat noodles will find that eggs are placed in Korean cold noodles. People who are familiar with cold noodles in North Korea know that they should eat eggs noodles first. The correct way to eat is to eat eggs first, because egg yolk can protect the gastric mucosa prevent cold noodles being too cold irritating to the stomach.

Li Fanzhu said that there are rich types of cold noodles in North Korea. According to the types of flour, cold noodles in Yanbian area can be divided into buckwheat cold noodles, corn cold noodles, acorn cold noodles so on. According to the types of noodle soup, it can be divided into beef soup cold noodles, chicken soup cold noodles, pickle soup cold noodles soybean milk cold noodles. According to the type of mixing materials, it can be divided into stewed cold noodles, hot sauce noodles pickled vegetables noodles.