Language is the most important means of communication between humans and it has always been a topic of interest. A group of linguists, language as a system, as well as feminist critics, especially postmodern feminists such as Sarah Mills, have expressed theories about the linguistic characteristics of women's works and their difference from men's works by stating that gender, race, class, etc. differences are effective in the way of using language, they have investigated it. The discussion of language and gender has a strong presence in fiction literature,because in order for the author to benefit from a language appropriate to the gender of his characters, he must use the unique linguistic features of the language of men and women. Sarah Mills has examined gendered language in three lexical, syntactic, and discourse levels, each of which has subcategories that have been examined separately. The present essay, using an analytical-comparative method, seeks to analyze the female identity at the lexical, syntactic, and discourse level in the two novels "Aggressive Possession" by "Lena Andershon" and the novel "The Moon is Full" by Fariba Vafi based on the linguistic approach of Sarah Mills. The results of the research showed that the language of the characters is strongly influenced by the gender of the author, and the authors have been able to create a language appropriate to the gender of the character in the novel, which shows the language of women in society