The poem "I'm like a cloud before I take off my hat and show my head to the top of the maharaja" was used by Du Fu to praise Zhang Xu in Song of Drinking Eight Immortals. The poem describes Zhang Xu splashing ink after drinking, and his handwriting is like a cloud. This heroic bearing and superb calligraphy skills are impressive.
This poem not only depicts Zhang Xu's personality, but also shows his outstanding talent as a master of calligraphy. Zhang Xu's achievements in calligraphy have left him an important position in history, and this poem has become a classic language for later generations to praise calligraphers.