1. All raisins are picked from grapes and dried under natural conditions, so there will be some dust or sand on the surface of all raisins, including imported raisins. So it's best to simply handle it before eating.

2. Add a small amount of starch to clear water, mix well, add raisins, rub them with your hands a few times and then wash them with clear water. Try it quickly. This method of washing grapes is also very clean.

3. After the water is boiled, put the raisins in the water and cook for 1-2 minutes, then take them out and put them on a clean plate, and you can eat them. If you want to eat raisins, you can put them in the oven or microwave oven and heat them slightly to evaporate the water on the surface. It tastes good, too.

4. If you want to wash raisins, wash them with warm water of about 35 degrees. The washing time should not be too long, generally not more than 3 minutes, and it should be constantly stirred by hand. Then rinse directly with pressurized water. No matter what kind of washing method, it is best to dry it before eating, because it tastes good after drying and is convenient to grasp!