Politicians and monks in the late Yuan and early Ming Dynasties. In the 12th year of Yuan Dynasty (1352), he became a monk, preached by law, learned by word, and escaped. Suzhou people. Learn Confucianism, Taoism and Buddhism, and be good at poetry. He made friends with writers such as Song Lian and Gao Qi, and learned from Xi Yingzhen, a Taoist priest in Ling Ying Palace, the Book of Changes, alchemy and the art of military strategists. In 23 years, he studied under Master Yu 'an in Jingshan and devoted himself to studying internal and external classics, becoming a famous monk at that time. However, he never gave up his ambition to achieve great things, pursued utilitarianism, worshipped Liu, the founding hero who became a monk in the early Yuan Dynasty, and wanted to make contributions to the founding of the country.

In the 15th year of Hongwu (1382), Zhu Yuanzhang selected a monk to serve the king and commended the late Ma Huanghou. Xiaoguang was recommended to go with Judy, the prince of Yan, to see the abbot of Daqingshou Temple in Beiping. From then on, he often went to Yan, participated in the plot to seize the throne, and became an important counselor. Before joining the army, Judy's "Jingnan" recommended Yuan Xun, a fortune teller, and encouraged Judy, the prince of Yan, to strengthen her confidence by analyzing the political and military situation at that time by means of divination. He also trained non-commissioned officers in the back garden of Wang Fu to prepare for the military; On the eve of June in the first year of Wen Jian (1399), Sharla Cheung, the military envoy of Beiping, and Xie Gui, the commander-in-chief of the two armies, were captured. He stayed in Peiping during the Jingnan War. In October, the Prince of Yan led ten thousand people to stick to Peiping, and defeated hundreds of thousands of northern expedition divisions of the imperial court. Since then, Judy has won a lot of praise and wisdom. After Judy acceded to the throne, she was made Zuoshan Master, an official monk and recorder. In the second year of Yongle (1404), she was made Prince of Shao Shi and given the name Xiaoguang. In his later years, Yao was not only afraid of the danger of officialdom struggle, but also unwilling to give up his lifelong career. So although he was an official, he didn't change his status as a monk. He was mainly responsible for the counseling and reading of the prince and grandson, and presided over the compilation of books such as Yongle Dadian and Ming Taizu Lu. His extensive knowledge and cultivation had a great influence on the emperor's grandson (that is, Emperor Xuanzong of Tang Dynasty) and also played a great role in the completion of Yongle Dadian.

His main works include Escape from Virtual Collection, Poems of Escape from Virtual Children, and Draft of Escape from Virtual Class.