Flat in nature, sweet and light in taste and non-toxic. Liver, kidney and bladder meridian.

Diuretic, clearing away heat, calming liver, and benefiting gallbladder.

Can be used for treating nephritis edema, beriberi, icteric hepatitis, hypertension, cholecystitis, cholelithiasis, diabetes, hematemesis and epistaxis.

It contains a lot of potassium nitrate and vitamin K, so there are many prescriptions and treatments based on it.