Abstract: The poetry of emotional tie describes the emotion on the basis of ties of blood. The west Jin Dynasty’s poetry of emotional tie was prosperous and famous poets at that time all created poetry of emotional tie, some of which became famous works. What were the causes for this phenomenon? First, the political atmosphere forced scholars to return to the family and emotional tie, which changed the elements of emotional tie in the poetry’s history. Second, Confucianism’s variation aroused the family feelings and urged scholars return to sincerely common customs and daily life, which established fixed ideological basis. At last, the development of history, formalism atmosphere and overall characteristics decided the inevitably prosperous of poetry of emotional tie. This phenomenon should attract the attention of ancient literature research and ancient poetry research.

Key words: West Jin Dynasty, poetry of emotional tie, prosperity, cause