Sun-dried in water. Sophora japonica fruit is a kind of traditional Chinese medicine, that is, the fruit of the Sophora japonica tree, can be used for the treatment of blood evidence caused by damp-heat in the large intestine, such as blood in the stool, hemorrhoids, hemorrhage caused by prolapse, and other symptoms, and its picking and drying after sun-drying and soaking water to drink is very good to drink, and very nutritious, it is a very good fruit.