Allen Ginsberg relies on Howl to express his attitude to traditional rules and orders and his pursuit of freedom and confinement. In Howl, a series of plots are composed by numerous images to show the Beat Generation’s life, thoughts, and reflections. This poem is like an accusation of realistic darkness at that age and cause a strong resonates of the people. However, some people think it is useless and without literary merit. There are some reasons as follows. First, Howl imitates Walt Whitman’s format. Second, there are some images are crude and ribaldry so it is disdained by the scholars. Third, its content is about Carl Solomon, an adherent to chase Dadaism, but Dadaism no longer exists. Fourth, this poem does not have high positive effect