The main reason to use alliteration in poetry is that it sounds pleasing. It's a means to get the attention of readers or listeners. ... As with perfect rhyme, alliteration lends verse some melody and rhythm and imparts a sense of how it should sound read out loud.
Is it bad to use alliteration?
When overused, alliteration can backfire, because it might lead readers to focus on the messenger rather than on the message. In moderation, however, it is a proven strategy for entertaining while informing.
Should you use alliteration in writing?
Why Use Alliteration? Alliteration is a great way to make your writing more memorable. It is a simple concept, but when things start with the same sound or same letter we are more likely to remember them.