1, read the original text. Various 300 capitals are entry-level. Finally, I have to look at Poets and Selected Poems. That's all that matters.
2. Understand history. History of poetry and literature. Understand the evolution process and prevent shallowness and mania. Yuan Xingpei's literary history is good.
3, theory. On poetry theory, evaluation criteria and aesthetics. There are different perceptions, which are not recommended here. Read the history of literature first, and the bibliography will be clear naturally.