fáng jǐ / shì / yī zhǒng / cháng jiàn / de / zhōng yào cái / jù yǒu / lì shuǐ xiāo zhǒng / de / gōng xiào防己是一种常见的中药材,具有利水消肿的功效。Stephania tetrandra is a common Chinese medicinal herb that has the effect of diuresis and reducing swelling.