Those poems were written by Du Fu after the An Shi Rebellion broke out! ! !

When the Anshi Rebellion broke out and Tongguan fell, Du Fu settled in Zhangzhou and went to Suzong alone. He was captured by the Anshi Rebellion and taken to Chang 'an. In the face of chaos in Chang 'an, he heard the news that the loyalist troops were repeatedly defeated, and wrote poems such as Moonlit Night, Spring Hope, Ai Jiangtou and Sad Chen Tao. Later, he fled to Fengxiang to cheat and made a collection. Because of the suggestion, Shangshu was demoted to be the prime minister of joining the army. Later, he recorded his experiences in the form of poems and became his immortal works, namely "Three Officials" and "Three Farewells".

With the collapse of Xiangzhou loyalist and the famine of Guanfu, Du Fu abandoned his official and fled with his family, passing through Qin Zhou and Tonggu, and lived a relatively stable life in Chengdu. When he entered the DPRK, the warlord in the middle of Shu rebelled and he went to Zizhou and Langzhou. Then go back to Chengdu. After Yanwu's death, he drifted again, lived in Kuizhou for two years, drifted to the same lake and died on the Xiangjiang River. The works of this period include Heart on the Water Threshold, Delighting in Rain on a Spring Night, Autumn Wind Breaking the Cottage, Sick Orange, Climbing the Building, Book Reading, The Yellow River was recaptured by the imperial army, Showing Wu Lang again, Ascending the Mountain, Qiu Xing, Three Jueju and Sui Yanxing.