The way to boil leucaena root is to boil fresh leucaena root in cool water until it sinks to the bottom of the water; for dried leucaena root, soak it in boiling water and then warm it up over a low flame. Radix Bupleurum Chinense, has the effects of cooling blood and stopping bleeding (cooling and moistening the blood to prevent bleeding), clearing heat and diuresis, and clearing heat from the lungs and stomach. It is used in treating hemorrhagic conditions such as epistaxis (nosebleed), hematemesis, hematochezia, hemorrhagic gonorrhea (the appearance of blood in the urine accompanied by pain), gonorrhea due to heat and toxin (increased frequency of urination, dribbling and astringent pain), edema, jaundice due to damp-heat, stomach-heat, vomiting and coughing due to lung-heat. It is not recommended for those who are weak and cold in the spleen and stomach, and those who urinate too much without thirst. If there is any discomfort after drinking water with lemongrass root, it is recommended to stop using it and consult a doctor promptly.