The first category was written before the Song Dynasty, mainly reflecting the court life and the love between men and women, with narrow themes; The style of his early poems is beautiful and soft, and he still has the habit of "flowers".
The second category is that after the Song Dynasty, after the death of the late Lord, during his house arrest career, "only Lacrimosa every day", Li Yu made a swan song with the grief of national subjugation and rich feelings. The achievements of this period far exceed the previous period, which can be described as "divine products". Famous works such as Yumei, Langtaosha and Huihuan were all produced at this time.