摘要：Writer＇s imagination does not only provide inspiration for literary creation, but also contribute literature works with more dazzling brilliance. As a representative of the British Romantic Poetry--William Blake, whose poems are full of imagination, always concedes his emotion and thoughts in a variety of imageries, exposing the reality of his times within his poetry writing. However. William Blake＇s imagination is no castles in the air, but based on the religious mythology, historical background, and the poet＇s life experience and dream pursuit. Only with in-depth understanding of the imagination in William Blake＇s poems can those hidden emotions and thoughts be grasped and appreciated.