1. The fibrous roots and soil should be removed before cleaning the Chinese cabbage. After removal, rinse the roots properly and put them in a pot.

2. Put enough water into the basin, rinse it first, and change the water three times.

3. Cut off the vegetable leaves from the stems, clean the recessed parts of the petioles and stems, and thoroughly clean away dust and other stains on the surface. Pay attention to changing the water 1 to 2 times when washing.

4. Add an appropriate amount of water, just enough to soak the cabbage. Add an appropriate amount of salt, dissolve it, and shake the basin to distribute the salt evenly.

5. Soak for about 15 to 20 minutes to allow the salt-soluble pesticides to fall off and dissolve.

6. Clean and change the water 3 times. Basically, it will be cleaner.