Cool fern root powder is a home-cooked cold dish, the main production of raw materials for the fern root powder, soy sauce, vinegar, it is suitable for high blood pressure, high cholesterol, diabetic patients to eat.1. carrots, cucumbers, cut into thin julienne standby 2. green peppers and green pepper cleaned and cut into small segments, garlic cloves cut into minced.3. take a small bowl, put 2 tablespoons of chili oil, soy sauce and vinegar (ratio of 1:1), and then chili pepper sections and The first thing you need to do is to put the chili oil in a small bowl, add 2 tablespoons of chili oil, soy sauce and vinegar (ratio 1:1), then put the chili segments and minced garlic into the sauce, mix well and wait for use. 4. Start another pot of water, boil the carrots, and then fish out and control the water. 5. Put the fern root noodles into the boiling water and boil for 5 minutes or so until there is no hardcore and then fish out and then use the icy water to ice water for 2 minutes to be more strong, then fish out and control the water. 6. Put the fern root noodles and the side dishes into the larger container, pour over the sauce that is ready in step 3, then mix well and eat. 7.