Introduction to biang biang noodles: biang biang noodles are the first of the eight strange monsters in Shaanxi. Noodles are like belts. The song goes like this: "Flying to the sky at one point, the Yellow River bends on both sides, the mouth is wide open, the words go in, twist to the left, Twist it to the right, and the west one is long, and the east one is long, and a horse king is added in the middle; at the bottom of the word "heart", next to the word "month", leave a hook to hang sesame sugar, and push the cart to drive Xianyang. "One word, the mountains and rivers geography. The world is hot and cold.