1. Many of Du Fu's poems directly reflected the social reality at that time, such as "Car Shop" and "Second Road", which were all true portrayal of the social reality at that time.
2. Du Fu also wrote many poems about family trifles, such as Moonlit Night and Qiangzhai. These poems describe the details of family life and reflect the real face of the family at that time.
3. There are also many autobiographical poems in Du Fu's poems, such as The Northern Expedition and Chanting 500 Words from Beijing to Fengxian, which are all true records of his life experience.