2. Pinch off the hard root of the spinach tip, leaving the part connecting the stem, and then take away a little sediment still attached to the root by hand.
3. Continue to lay the bottom of spinach stem and rinse thoroughly with water.
4. Prepare a large basin of clear water and soak it in the whole spinach 15-20 minutes.
5. Spread the branches and leaves of spinach again and rinse them with clear water.
6. Finally, open the leaves by hand.