The production steps of cold noodle soup: firstly, prepare a certain amount of cold boiled water; Step 2, the noodles or leaves are cooked with boiling water, then fished out and put into the prepared cold boiled water, and then fished out for later use; Step 3: Prepare seasoning: cut the washed spicy ginger, garlic and shallot into fine powder, cut the washed cucumber into shreds (blanched Chinese cabbage and mung bean sprouts can also be used instead), and cut the coriander into fine powder and put it into a bowl with cold noodles. Step 4: Prepare seasoning juice and add1-2g salt according to the amount of ingredients in the bowl.