Until now, Xu Ling has been known as the representative writer of Palace Style Poetry. This is because he worked with Xiao Gang, the representative writer of Palace Style Poetry, and also compiled “Yu Tai Xin Yong” to expand the appearance of Palace Style Poetry according to the purpose of Xiao Gang. The name Palace Style Poetry was never originated from Xu Ling, and the period of Xiao Gang centered creation of Palace Style Poetry was also short throughout its life. In addition, his strong character, which is handed down in his biography, does not fit with the representative writer of Palace Style Poetry with amorous content. And his literary perspective, which values both the substance of the content and the beauty of the form, does not fit with Palace Style Poetry of poor content. The contents of his poems vary widely. Although there are also works of amorous content, which is typical of Palace Style Poetry, there are also poems of various contents, including Frontier Poetry, Scenery Poetry, and Farewell Poetry, it has the closest form of modern style poetry compared to other poets of its time.
In conclusion, Xu Ling's poem contains the formal characteristics of Palace Style Poetry rather than the content characteristics of Palace Style Poetry, and the content is also far from the amorous content of Gungche City, which are the focus of criticism. Xu Ling is not a typical poet of Palace Style Poetry, and even if Xu Ling's poems are included in Palace Style Poetry, his poems are a pioneer of modern style poetry, which is the literary significance of Xu Ling's poetry.