1. Before cleaning cabbage, the outer leaves need to be removed. The outer leaves contain more residual pesticides, bacteria and dust.

2. Remove the outer leaves of the cabbage and cut off the roots completely. The cabbage will fall apart after cutting.

3. At this time, peel off the cabbage piece by piece and soak it in salt water for 10-20 minutes.

4. Wash it a second time with fluid warm boiled water.