In the essay Hope, Lei Lei is portrayed as a pure and lovely child. Like new things, have rich imagination and vision. Through the description of praying for rain in childhood, Lei Lei became the symbol of the whole article, representing the author Xiao Hong's pursuit of a better life and her love for nature. The image of Lei Lei gives people a feeling of innocence, liveliness and hope, which enables readers to better understand and feel the author's emotional expression.