1. Wash cucumber, put it on the chopping block, and cut it into thin slices with a diagonal knife. Then, cut the cucumber slices into filaments. 2. Cut open the packaging bag of Flammulina velutipes, pour out the water and Flammulina velutipes inside, rinse Flammulina velutipes under running water for several times, put it on the chopping block after washing, and cut it into sections about the same length as cucumber shreds. 3. Cut a little garlic into garlic foam. 1. Wash cucumber, put it on the chopping block, and cut it into thin slices with a diagonal knife. Then, cut the cucumber slices into filaments. 2. Cut open the packaging bag of Flammulina velutipes, pour out the water and Flammulina velutipes inside, rinse Flammulina velutipes under running water for several times, put it on the chopping block after washing, and cut it into sections about the same length as cucumber shreds. 3. Cut a little garlic into garlic foam sugar and put it into the mixed cold dish and stir it again to taste.