The girl's signature may express her poetic and romantic understanding of life. The meaning of this sentence may be that she hopes that every moment in her life, whether it is blooming or falling, can become a beautiful scenery and become a poetic experience.

Specifically, "I wish flowers bloom all my life" may be an expression of her good wishes for life, hoping that every beautiful moment in life can become a beautiful scenery like flowers. And "a flower becomes a poem" may mean that she hopes that at every moment, no matter what life brings her, she can accept and appreciate it with a poetic attitude and turn every moment into a poetic experience.

This signature reveals a romantic and poetic emotion, which may represent the girl's love for life and pursuit of beauty.