1.Sophora japonica (raw Sophora japonica): bitter in taste and slightly cold in nature. Liver and large intestine meridians entered. It has the functions of cooling blood, stopping bleeding, clearing liver and purging fire. Raw Sophora japonica is bitter and cold, and it is good at clearing liver and purging fire, clearing heat and cooling blood. It is mostly used for blood heat rash, liver heat with red eyes, headache and dizziness, sore and toxic swelling and pain.

2. Stir-fried Sophora japonica: the bitter and cold nature is alleviated, and the activity of enzyme is destroyed, which is beneficial to the preservation of effective ingredients. Its effect of clearing heat and cooling blood is weaker than that of crude drugs, and its hemostatic effect is inferior to that of Sophora japonica charcoal but stronger than that of crude drugs. It is used for bleeding patients with spleen and stomach weakness.

3. Sophora japonica charcoal: the effect of clearing heat and cooling blood is extremely weak, and the astringency is enhanced, which tends to stop bleeding. It is used for hemoptysis, epistaxis, hematochezia, hemorrhoid, metrorrhagia and other bleeding syndromes.