William Wordsworth is best known for his poem,The Daffodils.This paper traces the origin of daffodils in Greek mythology,the four important facts in Wordsworth’s life and the poetic theories implied in his poem The Daffodils.The most important part shall be the appreciation and analysis of the poem.During this course,readers may find it difficult to understand Wordsworth’s poetic theories of Romanticism.However this is made easier by asking and answering questions and by comparing Chinese and English Romantic poems.