The medicinal materials are cajanus cajan, alias bean paste, Guanyin bean, cajanus cajan, clover bean, snail cajanus cajanus, twisted bean, wild soybean and willow bean.

Textual research on the names of bean paste (illustrated by the main leguminous plants in China), Guanyin bean (Quanzhou materia medica) and tree bean (Guangxi medicinal plants list) all come from the seeds of cajanus cajan, the medicinal part of the dicotyledonous plant medicine Leguminosae. The leaves of this plant (cajanus cajan leaves) are also used for medicine. The taste of nature returns to Quanzhou Materia Medica: "Sweet and slightly sour, warm and nontoxic." The effect of entering the liver and spleen meridian is mainly used to tonify the middle energizer, invigorate qi, clear away heat and toxic materials, and induce diuresis to relieve stranguria. Treat spleen deficiency, carbuncle, dysentery, hemorrhoid, bloody stranguria and beriberi. Oral administration and dosage: decocted, 3 ~ 5 yuan; Let's grind it. External use: grinding and dressing.