Zhang Jiuling's " Looking at the Moon and Huaiyuan " was a famous ancient poem. The writing background mainly involved two aspects: personal experience and emotional experience. The author of this poem, Zhang Jiuling, was one of the famous poets of the Tang Dynasty. It was said that in this poem, he described the sadness and homesickness he felt when he climbed a tall building and looked at the moon in the distance. The background of this poem might be related to Zhang Jiuling's personal experience. During the Tang Dynasty, he was a demoted official who had been wandering in a foreign land for a long time, so he often felt the pain of separation and homesickness. The emotional theme of this poem was mainly separation and homesickness. In ancient times, parting was a common phenomenon, especially in times of war and turmoil. People's parting was more frequent and painful. Homesickness, on the other hand, was because one had left their hometown or was unable to return to their hometown for various reasons. These emotional experiences were the underlying emotional basis of Zhang Jiuling's creation of this poem. Zhang Jiuling's " Looking at the Moon and Huaiyuan " was an ancient poem full of sorrow and homesickness, mainly reflecting the author's personal experience and emotional experience. The background of the story might be related to Zhang Jiuling's long-term wandering experience.