Relevance. The increase of children interest in entertainment TV programs, mobile applications and video games available on the internet causes a significant decrease in their physical activity: children get used to a sedentary or lying down lifestyle. The research problem lies in the contradiction that arises due to understanding of the positive effect of physical activity on the development of the regulatory functions of a preschooler, and a significant decrease in this activity in the digital conditions of the modern educational environment. The relevance and prospects of the study of the relationship between regulatory functions and physical activity of preschool children in new digital environment are not yet fully realized. The objective of the paper is to review the studies by foreign scientists in order to identify and describe relevant indicators of physical activity in preschool children interrelated with the main components of regulatory functions (inhibitory control, working memory, cognitive flexibility). Method. A theoretical review of research papers published over the past ten years (2010–2020) on the subject of relationship of various physical activity indicators and regulatory functions in preschool children. Results. The paper provides a comparative analysis of studies conducted by foreign authors. It allows to reveal basic indicators of physical activity in children which are essential for the development of regulatory functions (sufficiency of physical activity; age-related appropriateness; the nature of physical activity; the form of physical activity arrangement), and particular indicators (the relationship of physical activity and regulatory functions in various sports, duration and intensity of physical activity, the availability of software for the development of physical activity in preschool children) as well. Conclusions. The review showed that the majority of the authors emphasized the significant role of basic physical activity indicators and their influence on regulatory functions. Aerobic exercises are the most effective in the development of regulatory functions in preschool children. Particular indicators are selected from the studies of the development of regulatory functions in specific sports (football, karate, yoga, mini-trampoline), and additional research on the duration and intensity of physical activity is needed.