The aim of this thesis was to find out how preschool children spend their free time an to what extent they spend it through physical activity and sport. 161 parents of preschool children were interviewed for the purpose of surveys using the online survey questionnare. The results of the research have shown that as many as 73% of the examined parents of children give the possibility of independent choice as far as leisure time is concerned, so data analysis leads to the conclusion that 13% of the children surveyed spend one part of their free time through sports activities. The largest proportion of children surveyed spend their free time through active play, which is not surprising given the age of children and the fact that play is an integral part of childhood at that age. Only 8.7% of children spend their free time in the passive play, indicating that the children of these subjects spend their time actively, ie through physical activity. The largest number of children for sporting activities chooses martial arts or dance, and a surprisingly low number of children are engaged in football (4.4%). Sports activities are usually practiced twice a week, and the majority of children spend around 60 minutes of their free time in front of a television or computer. Even 10% of preschool children do not spend their free time on a computer or TV at all, and only 1% of them spend more than 3 hours in front of a computer or TV. Asked if their child spent their leisure time well, 82% of respondents answered yes, while the rest was not happy with their children's free time.