Today, despite new theories and critiques, including the death of the author, new and different readings of the work can be obtained. In this article, the letter of Hell, which is the only letter, has been written in the history of Bayhaqi by a woman for Massoud Ghaznavi, the future sultan of Ghaznavids., Based on the analysis of the confessional discourse, which emanates from one of the many works of Foucault, and feminists have used it for their own purposes, and concluded that, The letter, like other feminist texts, feministers, and on the basis of confessional discourse expressing glory and grief, appears to power and even bring about a change in the future of the state. Finally, through critical linguistics, the syntactic and functional layers of this text are examined to reveal the hidden power in the letter in a clear and principled way.