Sophora japonica, also known as Sophora japonica, is a new variety introduced from South Korea by the garden department in the late 1980s. It is also a common horticultural variety of Sophora japonica. Sophora japonica has bright color, plump petals and long stamens, which has high ornamental value.

Some experts pointed out that Sophora japonica is a poisonous Sophora japonica, which can neither be eaten nor used medicinally. The alkaloids contained in Sophora japonica L. can stimulate the stomach, but also damage the nerves, liver and kidneys. Suitable for viewing, but not eating, otherwise it may be poisoned or carcinogenic. After eating Sophora japonica, there were symptoms of nausea, vomiting, abdominal pain and gastroenteritis, which may be a lot of consumption.

Unlike other leguminous trees, Sophora japonica has no symbiotic rhizobia in its roots. After studying its genes from the perspective of molecular biology in modern times, "Sophora japonica" was reclassified. In addition, there is also a horticultural species, Sophora japonica, which has drooping branches and small trees, and is a good tree species for landscaping. In recent years, people have cultivated a kind of Sophora japonica with pink flowers.