“双性同体”是20世纪女性主义批评的一个重要理念。艾利斯.沃克是美国20世纪著名的黑人女作家,她在小说《紫色》中塑造了多个双性同体的人物形象。她以独特的小说创作理念展示了美国黑人女性对自我和独立的追寻,流露出她对两性差异的关注和对两性融合的提倡,表明了黑人女性对异性恋霸权和父权制的抗争和在经受残酷现实的打击后对男权社会所作的妥协。 “Androgyny” is an important concept of 20th century feminist criticism. Alice Walker, a famous black woman writer in the United States in the 20th century, created a number of hermaphroditic characters in the novel Purple. Her unique novel creation concept shows the African American women’s pursuit of self and independence, showing her attention to the differences between men and women and advocating the integration of both sexes. It shows that the black women’s struggle against heterosexual hegemony and patriarchy and the cruel Realistic compromise after the blow to the patriarchal society.