The purpose of the study is to identify the peculiarities of the functioning of italics as a means of actualizing statements in the poetry of M. Tsvetaeva. Marina Tsvetaeva is one of the few poets who widely use italics in their literary practice. The selection of the most significant word in terms of meaning is found not only in the poet's poems, but also in her artistic and epistolary prose. The scientific novelty of the study lies in the fact that for the first time in M. Tsvetaeva's poetry, italics are studied from the standpoint of the actual division of the sentence. Despite the fact that the graphical means of M. Tsvetaeva was described in the aspect of actual division, the object of analysis was her original punctuation system, not italics. It is proved for the first time that italics, emphasizing the semantic and intonation center of an utterance, acts as a distinctive element in the system of actual division of a poetic text devoid of specific means of expressing actual division - word order and intonation. As a result of the conducted research, it was revealed for the first time that the font change is used by M. Tsvetaeva's poetic text is used not only to highlight an informatively important word, but also as a way of conveying a certain intonation, and as a means with an expressive stylistic function.