Ingredients: machine-made Daoxiao Noodles or self-rolled 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, and then add a little salt and cold water until it becomes turbid. Boil the noodles in water, then boil them in cold water, put them in a bowl, and blow them with an electric fan while turning over; 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 the 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 with chopsticks. Cold buckwheat noodles in Yanji, Jilin, 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.