1, the format is similar. There are Su Shi's "Bu Operator, Hanging a Bookboy in the Absence of the Moon" and Lu You's "Bu Operator, Yongmei".
2. The themes of poems are similar. Liu Yong's Yulin Order is about the sadness of parting with friends, and Wang Wei's Farewell to Shen Zifu to Hedong is about the sadness of parting with friends.