In his later works, he mostly expressed his depression, the typical representative work is Prince Charming Wang Biao. The whole article is full of sad words and angry voices.
Cao Zhi's early poems are full of high spirits, while his later poems are generous and sad. The change of poetic style is due to the change of its political status, which leads to the change of theme and artistic technique. Cao Zhi was very talented in his early years, so his poems often praised his ideals and ambitions of making contributions, and also wrote some works of feasting and having fun, which were full of romantic optimism. In the later period, he was deeply suspicious, so he mainly wrote about his grief and injustice of being condemned and abandoned, or about his friends and his resentment of being persecuted, or used the traditional theme of in my heart forever to express his mind, or expressed his mind, or borrowed the gods to dispel his inner anguish. A large number of metaphors and symbols are used to express the poet's spirit of resisting persecution.