Nowadays the lifestyle of most people is characterised by improper food intake and by a sedentary lifestyle. Especially in childhood, great attention should be paid to this, because children’s habits can be formed at this age and for their development, it is very important to eat properly and healthy and to exercise regularly. During the research, elementary school children’s nutritional status was determined and their physical activity was measured using the PAQ-C (physical activity questionnaire) questionnaire. The partial results of the research show that among boys there is more overweight person, even so, they do more sports regularly and they are more active during breaks between classes. Among sports, football is dominant in the case of the boys and basketball is dominant in the case of the girls. The work presented partial results of the research carried out during the Vojvodina provincial project 142-451-2637/2019-01.