This article discusses the socio-pedagogical aspects of motivation of professional activity of the person in the conditions of modern development of society. The article analyzes in detail the essence and content of the concept of" motivation " in theoretical terms. The structure of motivation, including the main characteristics of external and internal motivation, has been thoroughly studied. The theoretical analysis of social and pedagogical aspects of formation of motivation of professional activity in the conditions of modern social development is carried out. Currently, the main and important place in the study of professional motivation is given to the problem of studying the relationship of the individual to the conditions of professional activity. The article describes the external and internal motives of professional activity. In addition, within the framework of this issue, a theoretical review of the scientific views and concepts of prominent scientists was conducted.