A satirical poet at the end of the Li Dynasty in Korea. Formerly known as Jin, Yuan and Hao. Born in a feudal aristocratic family in Seoul. At the age of 6, Jin Yichun, the satrap of Xuanchuan, was sentenced to death by the court for surrendering to the peasant uprising army of Hongjinglai, and his family began to decline. Since the age of 22, he has lived a life of begging, wandering from one place to another and traveling all over North Korea. Wandering wrote many poems attacking feudal society, mocking the two classes and the rich, reflecting the people's painful life and praising the mountains and rivers of the motherland. He writes poems in Chinese, but he is not restricted by China's poetry rules. Unique form, novel style, pungent humor, easy to understand and recite, widely circulated among the people. His satirical poems are the most popular, and his representative works include Hanging Man's Head, Sheng Yuanyuan, Poor Family, Money, Mount Kumgang, Self-sighing, Water from Green Hills and so on.