Treating chronic tracheitis, it has anti-inflammatory effect, vitamin P-like effect, it has the effect of maintaining vascular resistance, reducing its permeability, reducing brittleness and so on, it has the effect of removing fat to the liver infiltrated by fat, antiviral effect and inhibition of aldose reductase. It is used to prevent and cure cerebral hemorrhage, hypertension, retinal hemorrhage, purple blemishes and acute hemorrhagic nephritis.

The extract of Sophora japonica finds various applications across industries. In the pharmaceutical field, it is often used as an ingredient in formulations targeting inflammatory conditions, cardiovascular health, and antioxidant support. Its bioactive compounds make it a valuable addition to dietary supplements, providing natural and plant-derived benefits. In the cosmetic industry, Sophora japonica extract can be found in skincare products due to its antioxidant and anti-inflammatory properties. It is believed to help protect the skin from environmental damage, reduce redness, and promote a more youthful complexion.