Sophora leaves have the effect of clearing the liver and diarrhea (removing liver fire), cooling the blood and detoxifying the toxin (referring to the treatment of blood-heat and toxicity), and drying dampness and killing worms; it is used to treat convulsions, high fever, scabies, intestinal winds, blood in the stools, blood in the urine, hemorrhoids, and other illnesses. Sophora leaves belong to a kind of traditional Chinese medicine, for the leguminous plant Sophora japonica leaves; its flavor is bitter, sex flat, attributed to the liver, stomach meridian. Internal use can be decoction, or powder. External use should take appropriate amount of decoction water fumigation, or juice coating, pounding compress. The adverse reactions of Sophora leaves are not clear, the drug should be taken with caution, and should be used with caution when the spleen and stomach are cold (spleen and stomach are weak and cold). Contraindication is allergic to the product is prohibited; allergies with caution. If there is a need for medication, need to be used under the guidance of a Chinese doctor to identify the evidence, not blindly use their own medication, so as not to cause adverse consequences.