Eichhornia crassipes, the seed of Ipomoea crassipes, is about 1.5 cm, and has a light smell. It can be used for decoction or external washing after decoction. Eichhornia crassipes is sweet and flat in taste, and enters the large intestine meridian and the small intestine meridian. Its specific effects are as follows:

1, and stomach digestion and detoxification: mainly used for spleen-stomach disharmony. If nausea, nausea and vomiting occur, it has the effect of reducing adverse reactions and stopping vomiting;

2, analgesic and insecticidal: used to treat abdominal pain caused by intestinal parasites, and can also be used to treat pain caused by hernia;

3, used for skin diseases, such as children's head sores;

4. If it is a patient with spleen deficiency, chew it when diarrhea occurs.