Water spinach can be harvested at 7- 10 cm above the ground, and tender buds can be picked, leaving underground and a small part of aboveground stems and leaves. After harvest, topdressing once can promote the growth of water spinach, and it can be harvested many times to improve the yield. When eating, you can cut the roots of water spinach into small pieces of about 2 cm, and add garlic slices and peppers to stir fry.