1. Metaphor: small flowers are used in the poem to describe the fragility and preciousness of life, expressing the poet's awe and cherish of life.
2. Personification: Poetry endows Xiaohua with life and emotion by means of personification, which shows the poet's understanding of Xiaohua and his love for life.
3. Contrast: Through the contrast between Xiaohua and the external environment, the poem highlights the uniqueness and beauty of Xiaohua and shows the poet's yearning and pursuit of beautiful things.
4. Rhetoric: Many rhetorical devices are used in poetry, such as parallelism, inverted sentences and onomatopoeia, which make the language of poetry more vivid and enhance the appeal and artistry of expression.