This poem has very symmatrical and clear composition. We can divide this poem in two parts.The first part is narrative-discriptive part written in the third person,The second part is lyrical and written in the first person in short verse form.Despite the differences within the poem Kubla Khan possesses the unity of style and atmosphere. The first part is description of dome and large garden which Kubla Khan arranged for his own pleasure.The dome is described as "stately" and "sunny".The garden is portrayed as earthly heaven.Although surrounded by ancient forests ,it is blooming and bright .The sacred river Alph flows...
Coleridge wants to say that if he would have this giftthe gift of playing dulcimer and singing of Mount Abora he would spontaneously create more beautiful and artistic work.But the public would see this art as a fruit of abnormality, as a gift of opium and not as agift of God.

It also seems that the poet wants to say that there are two different categories of poetry-earthly and heavenly, human and divine poetry.

Kubla Khan is a magic poem about magic charms of poetry.It is one of the most successful, symbolic poems written in English language.