First, artistic conception and feelings.
Second, literary talent.
Third, if it is a metrical poem, quatrains or ancient poems, we should first look at whether there is any mistake, then look at whether its words are good or not, and then analyze whether the antithesis is neat or not. The evaluation of words depends on whether the personal accumulation is rich, whether the understanding of rhyme is profound, and remember the rhyme of words. Rhyme is the key.
Fourthly, whether rhetorical devices and allusions are used properly.
Fifth, evaluate according to personal preferences.