In this paper tThe author analyzes the methodology of coaching seen as a method of practical developmental practical domain and as a profession. It emerged as an independent instrument of help in the development and realization of human potential, and today coaching is viewed as a self-sufficient, fully formed discipline and profession. Meanwhile, there is a range of methodological and theoretical issues that remain open as they don’t find understandingremain unresolved in the numerous works on the topic and in training programs. These issues became are the focus of consideration in the presentis paper. Among the issues discussed are the general state of things in coaching, its foundations, sources, and interventions, as well as its associations with psychology, psychotherapy, and contemporary research. The notion is substantiated that coaching has to be considered as a form of psychological practice because the objects of work in coaching work are primarily psychological characteristics (motivation, goals, emotions, images, subjective time, psychological resources, achievements, limiting attitudes, talents, strengths, planning, development, education, optimal functioning, strategies of life, choice, decision-making, obligations, action, self-regulation, relationships in organization, management tasks, effectiveness in officiating, dedication, well-being, and leadership). Interpretations are given to some popular notions and models of coaching, and key flaws in the basis of its methodology are providedsuggested, such as: grounds in the outdated psychological models and theories, ; selective use of the modern ideas, ; appellation to pseudopsychological notions, ; use of concepts about the brain as an explanatory model for behavior; and dynamics of changes in the a person. As an alternative, a range of original, deep and explanatory theories and models are given, created in the framework of the psychology of motivation, the psychology of personality, and the psychology of behavior. The value of the idea of evidence-based practices and research on effectiveness of coaching interventions is shown. The phenomenon of hope rising as an effect of coaching -sessions is discussed. The cCentral place is given to the analysis and development of one basic approach, the positive psychology coaching. Its specific aspects and thematic areas referred to within the coach-client work activity are presented, including positivity, flow, strengths and virtues, time perspective, pleasure, intrinsic motivation, and self-efficacy.