Nature, taste and function are sweet and cold, and belong to the sun and Yangming meridian. Diuretic, plantain clearing away heat, improving eyesight and eliminating phlegm, used for urinary obstruction, stranguria, leukorrhagia, hematuria, jaundice, edema, diarrhea due to heat dysentery, epistaxis, red eyes, sore throat, cough and skin ulcer.
The two kinds are cold together. Be careful that they are not suitable for you to drink.