左傳》是一部傑出的文學巨著，具有很高的藝術成就。《左傳》文章敘述完整，文筆嚴密，創造許多精采的篇章和富有魅力的文學語言。
本文擬就《左傳》中的夢，在社會發展與歷史文化的背景下觀察，藉由《左傳》夢的內容記載，探索夢的底蘊。
本文以《左傳》中夢的底蘊為探索範疇。從這些夢的記載中，得知「夢」可當作人神溝通或預見未來的途徑。因此各式的夢，或視為神諭，或視為預兆，對夢的占卜活動，成為一種文化現象。人民的信仰，深信夢兆中的啟示，而被上位者當成一種運用的意識型態，借夢之名達其目的。所以左氏記載夢，是反映社會史實，闡釋人文的重要意義。

Zuo Zhuan is an outstanding literature work with a very high value of art
attainments.The articles stated in Zuo Zhuan express with complete explanation in a strict style of writing that creates plenty of splendid sections and chapters, as well as the most charmful literature language.
The article tends to observe based on the background of social development and historical culture under the line of dream sated in Zuo Zhuan, discuss the true inner secret of dream at the ground of description for the dream article in Zuo Zhuan.
The article sets the inner secret of dream stated in Zuo Zhuan as the range of probe.
From descriptions of these dreams, it is clear to see that dream can be a path for human-deity communication or future forecast.As being the instance, all kinds of dream can be treated either God’s instruction or omen; and the activity for dream divination turns to be a sort of culture phenomena.People faith profoundly trusts the revelation in the sign of a dream, and it is manipulated by the superior to be a certain level of conscious model that achieves the goal in the name of dream.Therefore, Zuo putting down in writing for dream actually reflects social reality and is involved with an important meaning of humane interpretation.