The article provides historical and philosophical reconstruction of the emergence and development of the philosophy of psychiatry. The main cases of interaction between philosophy and psychiatry in the context of the development of the history of philosophical thought from antiquity to the present are demonstrated. The key points of interaction between philosophy and psychiatry from Antiquity to the middle of the twentieth century are revealed. The phenomenon of existential-phenomenological psychiatry is described as one of the first attempts of thorough interaction (...) between psychiatry and philosophy. Its main task is defined – to describe the experience of mental illness. Which is an important and necessary task to raise awareness of the impact of mental disorders on people's lives, attempts to reduce stigma. Describing this type of experience creates a unique window into understanding a person with a mental disorder, and illustrates the common and distinctive features of the experience of people with different psychiatric nosologies. These studies provide a deeper understanding of how mental pathology impoverishes a person's relationship with themselves and their community, with the subsequent use of the findings and humanization of psychiatric practice. The prerequisites for the emergence of modern philosophy of psychiatry, in particular the cognitive revolution, the development of philosophy of science, the development of analytical and continental philosophy, in particular phenomenology, existential philosophy, hermeneutics, are determined. The main directions of research in the philosophy of psychiatry are determined. Which are aimed at clarifying the meaning of terms related to mental illness and describing the phenomenon of mental illness itself, analyzing and clarifying those definitions that are directly used in clinical practice and the basis of psychiatric knowledge, as such, to highlight the prerequisites behind certain theoretical positions of psychiatry, to describe the nature of mental illness. (shrink)