Time is to know when this poem was written, when it was written, and the background of the times, so as to know the spirit of the literati in this era, that is, the spirit contained in their poems.
Characters need to know the author and the characters mentioned in the poem, and the most important thing is the author, and most of the characters in many poems are expressed by the author in the name of others.
Environment is to combine the front and back paragraphs of the poem to understand what specific environment inspired the author, and the environment is also the embodiment of the artistic conception of the work. From the background of the times to the drag of candlelight, it is the place where the author places his feelings.
Finally, organize the language and write the appreciation of poetry in an orderly and literary way.