The red beans in Wang Wei's poem are poisonous.

Red beans are actually red beans, also known as red small beans. Red beans are coarse fiber food, is able to promote peristalsis. The nature of red beans is relatively mild, and red beans are also more versatile, red beans can also be used as a medicine, used in medicine. Red beans are so a little toxic, toxicity, although not big, but also can not eat more.

Red beans are legumes, red beans are also called Acacia. The fruit of the red bean is generally in September and October, the distribution is relatively wide, distributed in tropical areas, such as: Guangxi, Shaanxi, Sichuan and other regions. Red beans are mainly contains protein, sugar and other various nutrients.

Wang Wei (701 - 761, a said 699 - 761), the word Mojizi, the name Mojizi Jushi, east of the river Pozhou (now Shanxi Yuncheng) people, ancestor of Shanxi Qixian. He was a famous poet and painter of the Tang Dynasty, known as "Wang Meng" together with Meng Haoran, and "Poetry Buddha".

Wang Wei was born in the 19th year of the reign of Emperor Kaiyuan (731). He became the right picker, the supervisor, and the adjudicator of the Heshi Sectional Commission. Wang Wei was a Zen scholar and a believer in Taoism. He was also a master of poetry, calligraphy, painting, and music, and was famous for his poems during the reigns of Emperor Kaiyuan and Tianbao, which were mostly about landscapes and idylls.

The style of his works is "painting in shadow and shape," which is a wonderful way of writing and conveying the spirit of the spirit and the shape of the spirit." Poetry has paintings in it, and paintings have poems in them". Wang Wei's fresh and far-reaching, natural and unassuming style creates a "painting in the poem, poetry in the painting", "poetry in the Zen" mood, in the poetry world has set up a flag that will not fall.