Ingredients: machine-made Daoxiao Noodles or self-made dough, sesame paste, cucumber, refined salt, cold water, vinegar and garlic. Practice: take a bowl, pour sesame paste, add a little salt and cold water), gently stir clockwise with chopsticks, then add a little salt and cold water until it becomes cloudy. Boil noodles with water, then boil them with cold water, put them in a bowl, and turn them over while blowing them with an electric fan; Wash cucumber and cut it into filaments. If you choose radish, you can wash and peel it before shredding it, and blanch celery with hot water before cutting it into powder. Bring this bowl of cold noodles to the table and sprinkle with shredded cucumber or radish, celery powder, etc. Pour in vinegar and garlic, then pour in the prepared sesame paste with a spoon and stir well with chopsticks. The cold buckwheat noodles in Yanji, Jilin Province are covered with beef, apples and pickles. Before serving, scoop a spoonful of cold and sweet soup from the vat. A bowl full of soup is cold.