夏洛蒂.勃朗特(1816-1855)是英国19世纪著名的女性作家。她的代表作《简.爱》自从19世纪发表以来,批评家们从不同的文学角度进行了分析,但是鲜有批评家们运用语言学理论对其进行分析,尤其是语言学中的情态理论。通过运用语言学的情态理论对小说进行分析,本文旨在探讨情态在体现小说女主人公简.爱的思想意识方面发挥的突出作用。 Charlotte Bronte (1816-1855) is a famous British 19th-century female writer. Since her publication of “Jane Eyre” in the 19th century, critics have analyzed it from different literatures. However, few critics have used linguistic theory to analyze it, especially the theory of modality in linguistics. Through the analysis of the novel by using the modality theory of linguistics, this article aims to explore the prominent role that modality plays in reflecting the heroine and the ideology of love.