The efficacy of Sophora japonica is to cool the blood and stop bleeding (cooling and moistening the blood to prevent bleeding) and to clear the liver and diarrhea (removing liver fire), and is mainly used in the treatment of hemorrhoids, vomiting of blood, liver-heat, eye-redness and headache and dizziness. Sophora japonica, the dried flowers and flower buds of Sophora japonica, family Leguminosae, is used to purify the liver and diarrhea fire and cool the blood to stop bleeding, and is mainly used to treat blood-heat, blood in stools and stools, vomiting blood, hemorrhoids, bloody dysentery, disintegration (excessive menstruation or dribbling), liver-heat, eye-bleeding and headache and vertigo, among other conditions. Sophora can be taken internally or used externally, decocted when taken internally; decocted and rinsed when used externally. However, it should be used with caution in patients with coldness of the spleen and stomach (spleen and stomach weakness and cold) and yin deficiency and fever. It should be noted that if patients need to use Sophora, it is recommended to use it under the guidance of a doctor and not blindly to avoid adverse reactions.