The sphere of service is a complex and constantly changing system. The main perception of the service industry activity has to pass through understanding of the client and lack of technocratic approach to the personality and the person in social and economic system. The author presents an attempt to systematize the practical knowledge, to discuss it from the theoretical perspective, and to consider parameters and fields of activity of the services sector. Due to the changes in modern society, it is always necessary to consider the influence of potential desires of clients on the development of the services industry, therefore, only productive character of system of researches can lead to a positive effect of formation of all fields of activity of modern society. Various directions of sociological researches considering the problems, tasks and technologies of researches into the services industry, nonetheless didn't find any uniform concept which would give a chance to systematize and productively use the accumulated knowledge. Therefore, it is so important to develop a social approach to the system of arranging the service industry activity which would synthesize the received scientific results and allow to create a methodology of effective impact on all different objects (partners, goods, information, institutes, etc.).