Sophora japonica is the dried mature fruit of Sophora japonica, family Leguminosae. It is cold in nature with a bitter taste and belongs to the liver and large intestine meridians. It is effective in clearing heat and fire (removing heat and fire from the body), cooling the blood and stopping bleeding (cooling and moistening the blood to prevent bleeding), and moistening the intestines at the same time. It is used for treating intestinal heat and blood in the stool, hemorrhoids with swelling and bleeding, liver-heat headache, dizziness, and redness of the eyes, etc. It is also used as a tonic for the liver and large intestine meridians. Because of its belonging to the large intestine meridian and has the effect of laxative, so the acacia horn in water can relieve constipation, but it can not completely replace the drug used to treat the disease. It should be noted that Sophora Japonica is bitter and cold, which is easy to hurt the spleen and stomach, so it should not be taken by people with cold spleen and stomach (spleen and stomach weakness and cold), people with loose stools and pregnant women. If necessary, it is recommended to go to a regular hospital, under the guidance of a professional doctor to identify the evidence, according to their own circumstances, reasonable choice, not to take on their own, so as not to delay the condition.