Chun Yan's poem is called New Mud.

Chun Yan's poem entitled "New Mud" is "A few early warblers compete for warm trees, and whose new swallow pecks at spring mud." From Qiantang Spring Tour, this poem describes the beautiful scenery of the West Lake in early spring, expresses the author's joy in visiting the lake in early spring and his love for the beauty of Qiantang Lake, and also expresses his love for the beauty of nature.

Spring Tour of Qiantang River describes in detail the scenery seen in the spring tour of West Lake, with vivid images and rich feelings, which accurately and vividly shows the lively interest and elegance of natural things. The whole poem is rigorous in structure, natural in connection, accurate in antithesis, simple in language, accurate in words and fresh in rhythm, and has become a famous sentence chanting the West Lake in previous dynasties.