Whose poem is better, Li Bai or Du Fu?

Li Bai and Du Fu are both famous poets in Tang Dynasty, and their poems occupy a very important position in China culture. Because the two poets have different styles and expressions, it is difficult to compare and judge them simply. Some people like Li Bai's unrestrained, thinking that his poems can better express the open-mindedness and passion of life; However, some people prefer Du Fu's profundity and profundity, and think that his poems can better express the tragic and sad life. So which poet's poems are better depends on personal aesthetics and taste.