In the context of American multiculture ,Chinese American literature and African American Lit-erature are getting more and more attention ,and present a prosperous situation .In view of the similar ex-perience and position of Chinese Americans and African Americans ,taking the representative works of Chinese and African American w riters as research subjects ,this paper introduces the theme of bitter expe-rience ,the theme of woman image and the theme of identity search and construction ,sorts and compares these themes ,and then analyzes their similarities and differences in details .T his paper also focuses on the interpretation of the clash and interlacing of heterogeneous cultures in themes .And the similarities of the two types of literature are also generalized .%美国华裔文学和非裔文学在美国多元文化的大背景下越来越受到关注，并呈现出繁荣的局面。针对华裔和非裔在美国社会相似的经历和处境，以华裔文学和非裔文学中代表作家的作品为研究对象，分析两类文学作品中展现的辛酸经历、女性形象和身份的追寻与建构等主题，并对其进行梳理和比较，细致分析它们相似的发展轨迹，以及各自的独特之处，着重阐释两类文学中的异质文化的冲突和交融在作品主题中的具体体现，可以知晓两类文学发展的共性。
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