It has the effect of cooling blood and stopping bleeding (making blood cool and moist, preventing bleeding), clearing heat and diuretic. If it is drunk as a substitute for tea, it can help to relieve vomiting, stop bleeding, diuretic, and eliminate jaundice, etc. However, the effect of drinking it as a substitute for tea is limited, and it can not play a role in treating diseases. 1. Relieve vomiting: leucaena leucocephala is good at clearing heat in the lungs and stomach, and lowering the fire, so it can be used to treat stomach heat and vomiting. 2. Auxiliary hemostasis: leucaena leucocephala can clear the heat of the blood in order to cool the blood and stop bleeding, such as bleeding gums, coughing blood, blood in the urine, and so on. 3. Diuretic: If there is a urinary tract infection, there will often be painful urination, urine dribbling, and may be edema, leucaena root can help relieve such symptoms. 4. Elimination of jaundice: leucaena leucocephala can be used to remove dampness and reduce jaundice, helping to treat damp-heat jaundice. Drinking lemongrass root should not be used as a substitute for medication. In case of heavy bleeding, edema, vomiting and other discomforts, one should go to the hospital in time to find out the cause and then treat it positively under the guidance of the doctor so as not to delay the condition.