The return of wild geese outside the Phoenix Set refers to the wild geese. In "Phoenix Collection", "the wild geese return" appears in a poem called "Helin Jade Dew", which describes a person who wanders around after leaving his hometown and finally returns to his hometown, just like the wild geese returning. The "return of wild geese" in "Phoenix Collection" is an allegorical expression used to metaphor those who leave their hometown or return after escaping from difficulties.