Bai juyi (772-846), word, while he is no xiang shan li bai, du fu in foreign affairs of the poets in tang dynasty, he's writing poetry for people complained, dare to dare to criticize the emperor bureaucracy, rich in content, language understandable, at that time, women and children can be appreciated. He works not only in China, but quickly spread to north Korea, Japan and other countries. Bai juyi wrote the word is one of the earliest poets, "yi" is a word jiangnan.