Red acacia flowers, also known as acacia flowers, bitter taste, slightly cold nature, to the liver, large intestine meridian; with cool blood to stop bleeding (so that the blood cool and moist, to prevent bleeding), clear the liver and brighten the eyes (to remove liver fire to promote the restoration of eyesight) effect; the main treatment of headache, intestinal wind under the blood, hemoptysis, vomiting blood, hematochezia and so on; allergy is prohibited. In clinical acacia flowers are mainly used for blood-heat hemorrhagic evidence, is to stop bleeding by cooling the blood, such as hemorrhoidal bleeding, representative of the formula is ground elm acacia flowers; is the treatment of blood in the stool is commonly used medicine. It is also used for headaches caused by inflammation of liver fire, usually used in decoction of acacia flowers to treat hypertension and cerebral hemorrhage caused by inflammation of liver fire. In the use of attention should be paid to the spleen and stomach deficiency and cold (spleen and stomach weakness and cold) and Yin deficiency and internal heat without real fire should be taken with caution, allergy to acacia flowers is prohibited. Avoid spicy and stimulating food during the use of medicine. Patients need to go to the hospital in time after the emergence of discomfort, standardized treatment under the guidance of the doctor, not blindly self-medication, so as not to cause adverse consequences.