1. There is a lot of soil and impurities on the lichen. You can choose to wash it a few more times, so that there will be less impurities on it each time. Generally, it can be washed clean in four or five times, but in the end It's best to use warm water.

2. Clean directly with light salt water, because the sterilization ability of light salt water is relatively strong. Generally, put the cabbage in the light salt water.

3. Soak for 15 to In 20 minutes, the impurities on it will be removed. You can also use rice water, which is more environmentally friendly and has strong decontamination capabilities.

4. There will be a lot of impurities on the ground vegetables, which are very difficult to wash off, so you can wash them with flour. Flour has a strong adhesion ability. When washing with salt water or rice washing water , you can sprinkle some flour on it, and then rub it slowly so that it can be washed off.

5. Boil the water directly, then put the cabbage into it, so that the small impurities on it will come off by themselves, and then just fish out the cabbage floating on top.

6. Dipi vegetables also have a name called fungus, so they look similar to fungus, but they are stickier than fungus, so it is more difficult to preserve them for a long time. , it is best to dry it in the sun, then seal it and store it in a cooler place.