Frog fish, also known as noodle fish and cold fish, is a Han folk snack. It is called "frog fish" in Shaanxi and "frog fish" in Xuzhou. Mr. Li Shen recorded the word as "Wa Yuzi" in "Xuzhou Dialects", which means "a kind of pasta that looks like a small fish; a kind of jelly." 1 Most of the raw materials for making "frog fish" are potato starch. . After adding vinegar (soy sauce), carrot pickles (peanuts, ganzi), chili paste and other ingredients, the taste is cool, smooth and refreshing, making it a rare snack for locals.