Butterfly leaf has the effect of clearing away heat and detoxification (removing heat and poisonous evil from the body), inducing diuresis, and can be used in the treatment of dysuria (unruly urination), edema, and canker sores. Butterfly leaf is also called half money, horseshoe incense, etc. This product is the whole grass of the leguminous plant pavement bat grass. Butterfly leaf can clear away heat and detoxification, stop bleeding and dissipate blood stasis, diuretic and diaphoretic (improve the problem of dribbling in urine, and the problem of small and unobstructed urine volume). Butterfly leaf can be used to treat edema, dysuria, stonelike drenching (discharge of gravel during urination, or sudden interruption of urination, pain in the urethra, intolerable pain in the lower back and abdomen), mammary carbuncle, vomiting of blood, hemorrhagic bleeding, bruises, redness and swelling of the eyes, and venomous snake bites. Butterfly leaves can be decocted and taken internally, and can also be used externally as a poultice or decoction to wash the affected area. The adverse effects of this product is not clear, pregnant women should be cautious to take. Feeling unwell, it is recommended to go to the hospital in a timely manner, the use of butterfly leaf and other traditional Chinese medicines need to be guided by a professional doctor, not self-medication.