The efficacy of Sophora japonica is to cool and stop bleeding (cooling and moisturizing the blood, preventing bleeding), and to clear and diarrhoea liver fire, and it is often used in treating hemorrhagic syndrome and liver fire inflammation. When acacia flowers are used as traditional Chinese medicine, they need to be concocted after picking, and are usually added into soup for decoction, or into pills and bulk. When used externally, it can be decocted and smoked, or powdered and applied externally. Sophora japonica is often used in the treatment of eye redness, headache and dizziness caused by liver fire, and various hemorrhages caused by blood heat, such as blood in the bowel, hemorrhoids, dysentery, blood in urine, hemorrhagic drenching (blood in urine accompanied by pain), metrorrhagia (excessive menstrual flow or more than a few drops), vomiting blood, epistaxis, etc. It can also be used in carbuncles, swellings, sores, and other diseases. It can also be used for canker sores and ulcers. Attention should be paid to those with deficiency of spleen and stomach (spleen and stomach weak and cold), deficiency of yin and fever without actual fire should take Sophora japonica with caution, the adverse effects are not clear at the moment. It is recommended to take it under the guidance of a Chinese medicine practitioner and should not be used on its own to avoid delays.