This poem compares the cypress tree in the north wind to the faithful exercise. No matter what adversity you are in, you should persevere and always maintain your own exercise. In the poem, trees are used to describe people, which clearly shows the poet's unyielding sentiment and optimistic and open-minded spirit. The language of the whole poem is sharp and subtle, and the feelings are warm and vivid. It is a righteous song with great righteousness.