According to the essay "Little Dew", we know that the sun, flowers and grass in the morning all represent beautiful things in nature and are often used to describe the fresh and quiet morning scene in poetry and prose. These "brothers and sisters" are not true relatives of Xiao Lu, but a symbolic and literary expression. Through metaphor, personification and other rhetorical devices, the characteristics and feelings of dew are vividly expressed, which makes readers understand the meaning and value of dew more deeply.