A multidisciplinary approach adopted by early childhood teachers, health coordinators and parents exerts great impact on the development of healthy lifestyle habits from the earliest age. Proper nutrition is essential for the healthy physical and, accordingly, psychological development of every child. Early childhood teachers and pedagogical principles in institutions of early childhood education and care act as a foundation for the development of healthy lifestyle and good habits. A health coordinator’s duties include preparing a monthly menu in accordance with recommended energy intake guidelines for certain age. The paper presents the research carried out in the institution of early childhood education “Varaždin”, consisting of 8 kindergartens in different locations across the city of Varaždin. The participants included parents and early childhood teachers who voluntarily and anonymously completed the questionnaire designed specifically for the research. The research showed that early childhood teachers and parents believed that the manner of food presentation influenced eating habits in children and might, therefore, also influence the development of healthy eating habits. The second phase of the research aimed to establish the impact of continuous physical activity on obesity in preschool children. The research was based on a sample of 53 respondents in the active and 53 respondents in the passive group, aged 5 to 7 years old. The active group participated in structured exercise over a period of 5 months. Anthropometric measurements were taken before and after the observed period. The research did not demonstrate a significant difference in BMI before and after participating in structured exercise. Continuous learning about the importance of healthy diet, physical activity and promoting health in general would greatly assist early childhood teachers, children and their parents, not only to exercise better care of health, but to teach and help children develop healthy and useful habits that might significantly affect their future.