F. Nietzsche is presented in the article as a penetrating phenomenologist of the emotional world of man. Coming out against the cult of rationalness, the German philosopher, first of all, put much value upon human passions. He proposed a kind of inventory of human feelings, showed that one and the same emotional state (anger, hate, awe) can be differently assessed in particular cultures. The phenomenology of feelings in Nietzsche’s interpretation appears as an inalienable part of his philosophical anthropology. No conception of man can be possible without a profound study of his inner world. F. Nietzsche was almost the first in European philosophy to rehabilitate passions, interpreting their vigour, powerfulness and great role in the history of mankind. At the same time, the philosopher has shown the paradoxicality of all human feelings, their lability and ability to reveal the «seamy side». Nietzsche has elucidated the spectrum of human feelings, paying special attention – following S. Kierkegaard – to such an experience as fear. His views on fear were further elaborated in the works by K. Jaspers, M. Heidegger, J.-P. Sartre. K. Jaspers in his doctoral dissertation and the book «General psychopathology» developed many Nietzsche’s ideas about feelings.