Sophora japonica has a sweet and slightly bitter taste.

Sophora japonica flowers are bitter in taste, neutral in nature, non-toxic, and have the effects of clearing heat, cooling blood, stopping bleeding, and lowering blood pressure. It has significant effects on hematemesis, hematuria, hemorrhoid bleeding, wind-heat and red eyes, hypertension, hyperlipidemia, cervical lymphatic tuberculosis, vascular sclerosis, blood in the stool, diabetes, retinitis, psoriasis, etc.; it can also deworm , cure pharyngitis. Sophora japonica can enhance the resistance of capillaries, reduce blood vessel permeability, restore elasticity to fragile blood vessels, thereby lowering blood lipids and preventing arteriosclerosis.