"Eine Schwierigkeit der Psychoanalyse" is one of the early scientific works of the outstanding Austrian psychiatrist and psychoanalyst Sigmund Freud. In this book, the author explores mental mechanisms and problems arising in the process of psychoanalytic treatment. Freud analyzes the psychological aspects of the unknown, inner struggle, repression and dreams. In his book, he considers one of the most difficult problems of psychoanalysis - the patient's perception of the analyst, his authority and influence on his psyche. Freud argues that the interaction between the analyst and the patient can create certain obstacles to solving mental problems and revealing the unknown. "One of the difficulties of psychoanalysis" is an important work that goes step by step into the depths of the human psyche, revealing complex aspects of its psychology. This book helps to better understand the process of psychoanalysis itself and the relationship between the analyst and the patient.