The influence and importanceof physical activity on the overall health of children has been reasearched by many theorists and practitioners an they have established that physical activity i san important, but insufficiently recognized factor in global public health problem of physical inactivity. Physical activity is an integral part of child development and represents the primary need of every developing child, a toolfor learning, exploring and getting to know the world, encouraging overall development, creating opportunities for developing brain capacity and developing one’s abilities. The period of early and preschool age has been highlighted by many authors as a key period for creating healthy, positive and lifelong habits, and it is extremly important to emphasize the importance and encourage physical activity itself from an early age. In addition to affecting psychophysical health, physical activity has a strong impact on all areas of development and affects overall growth and development. While studying physical activity, numerous environmental factors have been observed that influence the level of physical activity, starting from social to geographic and weather factors. In order to encourage physical activity as efficiently as possible and thus systematically work on the global problem of reduced movement. This paper shows the conection between physical activity, the enviroment and overall development of children of early and preschool age.