Emily Dickinson's poems have a very unique aesthetic feature. Showing a strong sense of destiny and tragedy on the theme; She contains a strong sense of loneliness and helplessness in life; In the choice and application of poetic images, it reveals the dark color of emptiness and hums a deep sadness. In the overall aesthetics of poetry, it presents unique sadness and melancholy. These qualities are inherent in poetry and cannot be ignored. Generally speaking, these qualities are a sense of sadness. It permeates the poetry, which constitutes the unique ideological and artistic charm of Emily Dickinson's poetry. Emily Dickinson (1830 ~ 1886), an American hermit poetess, wrote more than 1700 refreshing short poems before her death, but she was unknown and became famous after her death. Her poetic style is unique, and she is famous for her delicate writing, keen observation and outstanding images. Themes are mostly nature, death and immortality.