The manual contains materials on oncopsychology. It gives an idea of ​ ​ the quality of life of cancer patients. The history of the development of psycho-oncology in the world and the history of the development of psycho-oncology and oncopsychology at the Research Institute of Oncology named after N.N. Petrov. Psychological aspects of medical activity are considered and the results of the study of emotional burnout of oncologists are shown. The situation of cancer is analyzed in detail from the position of a medical psychologist and the approach of a psychotherapist is considered. The psychological features of a child suffering from cancer are presented in detail, the methods of working with him by a medical psychologist and a psychotherapist are described. The results of the study of the emotional stress of cancer patients are shown.