" Silent Night Thoughts " was a famous poem by the Tang Dynasty poet Li Bai. It only had four sentences, but its artistic conception was profound. It was known as " a lofty mountain in the history of poetry." The origin of this poem was a line in Li Bai's "Wine to Drink":"The moonlight in front of the bed is suspected to be the frost on the ground. I look up at the bright moon, lower my head, and miss my hometown." This poem expressed the poet's homesickness and Li Bai's open-minded and free personality through the scene of the bright moon in front of his bed. The meaning of this poem is: In the quiet night, the moonlight in front of the bed shines brightly as if the ground is covered with frost. I looked up at the bright moon and couldn't help but lower my head to think about the scene of my hometown. This poem expressed the loneliness and homesickness in the poet's heart through simple language. At the same time, it also showed Li Bai's open-minded and free personality and love for life. This poem was widely praised as a classic of ancient Chinese poetry. It not only has artistic value, but also has profound cultural content, reflecting the style of ancient Chinese society and the people's life. It is a precious cultural heritage of the Chinese nation.