The article considers the digital economy as the main factor in the development of small and medium-sized businesses. The programs of the digital economy of various foreign countries were explained. Methods of effective development of the digital economy are studied. The importance of the digital economy in modernizing traditional industries and services is emphasized. Mixed financial transactions have organized by continuous penetration of information in technologies and its role in the development of small and medium-sized businesses have described. In Kazakhstan, the problems of introduction and dissemination of the digital economy in the sphere of small and medium-sized innovative entrepreneurship are discussed: the lack of infrastructure to promote domestic developments, underestimation of innovative activity by domestic entrepreneurs. The digital economy characterized as one of the manifestations of scientific and technological development of Kazakhstan. It provides for a significant favorable impact of digitalization on the development of small and medium-sized innovative entrepreneurship in Kazakhstan. In the digital economy, the main attention paid to one of the most important conditions for the effective development of the leading branches of human activity - the formation of an appropriate institutional environment. The main institutions, personnel and conditions for the use of knowledge for the successful development of the digital economy outlined