Ecocriticism is the study of literature and environment from an interdisciplinary point of view where literature scholars analyze the environment and brainstorm possible solutions for the correction of the contemporary environmental situation and examine the various ways literature treats the subject of nature. In the United States, ecocriticism is often associated with the Association for the Study of Literature and Environment (ASLE), which hosts biennial meetings for scholars who deal with environmental matters in literature. ASLE publishes a journal—Interdisciplinary Studies in Literature and Environment (ISLE)—in which current American scholarship can be found. Ecocriticism is an intentionally broad approach that is known by a number of other designations, including "green (cultural) studies", "ecopoetics", and "environmental literary criticism".

Apart from the introduction, Literature Review, and conclusion, The article is pided into three parts. In chapter three, the thesis analyzes relationship between human being and nature. This part wants to analyze imbalanced coexistence of human and nature and the final harmonious coexistence of human and nature. In chapter four, the article analyzes alienation from others in life of Pi. This part focuses on pi’s relationship with others. It will be from intriguing in man’s world, and struggling between people to analyze relationships between in society. In chapter five, the article is mainly about alienation from self in Life of Pi. Pi’s crisis of belief, and when he was in dilemma, how to choose his belief. Yann Martel arranges Pi and the tiger Parker overcome the Several difficulties in the Pacific together, which provides a model with humans and nature to get along with each other.

2. Literature Review

Like many prize-winning works, Life of Pi also has got lots of critical acclaims and comments. After it was published in 2001, Life of Pi has attracted much foreign ctitics’ attention and interest, especially after it won the Man Booker Prize in 2002. Writer classifies all the comments and remarks into several aspects. Some of researchers think that Life of Pi is a adventure novel. Times compares Life of Pi with the works of Joseph Conrad, Ernest Miller Hemingway and Salman Rushdie, and claims it is “absurd, dreadful, unreliable and grieved, deeply sensual in its arousing of smells and sight, the whole travel and the commentator wild curious voice suggests. Times comments, “Every page offers something of tension ,humanity, surprise, or even transport" (Song Yunfeng, 2012:56-57). Some researchers think that Life of Pi is a story about faith. Mr. Adirubasamy, a character in the book, told the virtual author and readers, “it will make you believe in God", which proclaims the theme of this novel. For the theme, “it will make you believe in God”, critics have different opinions. One school approves Martel's view. In critic Amanda Cuba's (2003)来.自/优尔论|文-网www.youerw.com/ opinion, Life of Pi isn't just a simple adventure story. Some researchers think that Life of Pi is a novel tells us what story is true. In the novel, Pi told us two totally different survival stories about his drafting at the sea. At last, when Pi asked the two Japanese investigators which story was true, they both chose to believe the first one, the story with animals. Pi deemed “So it goes with God” (Yann Martel) While, why the story with the animals is better? In other words, It is a story that people how to choose to get through with the tiger and has nothing to do with the truth.

Life of Pi also attracted many people to researching it in china. It didn't catch the attentions of literature world as well as media until director Ang Lee rearranged it into a film with the same name in 2012. Since the release of the film, reviewers have rendered the film and original work from different perspectives. Therefore, a lot of film reviews and book reviews have emerged, which can be pided into the following four aspects.