By means of textual dialogism, the novel Jane Eyre presents the growing process of the heroines exploration for her own subjectivity at different stages of life. Its narrative modes develop with the heroines mental growth and the gradual formation of her subjectivity. This novel attempts to seek a balanced point between moral sublimation and truthful expression. It also tries to explore the relationship between narrative methods and credibility of the story from a females perspective. By way of plot setting and gradual changing of narrative modes, this novel creates a new road to the acquisition of discourse power.