What are the main rhetorical devices used by Yu Shuo? What role does it play in expressing the theme of poetry?

This poem uses personification to make "Rain" whisper to the children living on the land of China, and let people feel the kind and gentle image of "Rain", the messenger of love. In the poet's pen, "rain" is endowed with the spirituality of life and becomes a very beautiful, magical, affectionate and intentional existence. Moreover, the vivid description of other things in the poem is anthropomorphic; It's everywhere. This poem is dedicated to children. The excellent anthropomorphic expression of the whole poem makes this poem have a kind, touching, lively and cheerful style, which conforms to children's psychology and can impress children's immature childlike innocence.