Abstract: In the article, the subject of the study is M.A. Bulgakov's writings and the object - peculiar features of vocabulary and syntax of writer's epistolary art. The author examines such aspects of the subject as a circle of emotive and destructive vocabulary, expressing a state of grief and sadness, despair and death, and dependence of epistolary word on the interpersonal relationship between communicators and orientation of the writer on the dialogue with one or other addressee. Special attention is paid to the analysis of syntactic models, expressing an emotional state, and to metaphors. The work consists method of analysis of the material considering communicative, semantic, and functional directions of syntax and lies at the junction of philological and art criticism interpretation of the text. The principal conclusions of the conducted research are the following ones: a peculiar feature of Bulgakov's linguistic persona is that through figurative destructive vocabulary he presents himself and his works being either "alive" or "half-dead" and "dead". Among syntactic models, expressing emotional state, verbal and participial ones dominate.