White beans , the scientific name Meidou, also known as rice cowpea , rice bean, rice bean, sweet bean, etc. White beans are the seeds of legumes Phaseolus vulgaris, spherical or oblate, slightly larger than soybeans , and cashew nuts , also known as rice beans. They are distributed in Hebei, Jiangsu, Sichuan, Yunnan and other provinces of China, and products are also available in Vietnam. Eyebrow beans are commonly called by Cantonese. “Lu Chuan’s Materia Medica” is named rice beans.