NHS Lincolnshire are offering children free Me Size Plates to help ensure they get the correct portion for their age group.
As well as encouraging children to take an interest in food, the plates will help illustrate the need for controlled portions and balanced meals.
According to a survey, in 2009-10, 14.30% of 4-5-year-olds in Lincoln were classed as overweight, as well as 20% of 6-7 year-olds.
Children in Reception (year 2011/12 intake) will be given one of the plates free of charge this term.
Lynne McNiven, Consultant in Public Health for NHS Lincolnshire said: “This initiative is just one of the ways we are working to reverse the trend of overweight and obese children increasing year on year.
“The ‘me size plate’ encourages parents to think about the amount of food they are giving their child, quite often parents will unknowingly over feed their children by giving them adult portions.
She added: “Portion size is only one part of the jigsaw we need to complete to make sure our children grow up fit and healthy.
“Being active is essential to support healthy growth in children and young people, it is recommended that they achieve at least 60 minutes of exercise each day.
“Running around and having fun outside, or walking to and from school all counts.
“Overweight and obese children are more likely to become obese adults with greater risk of developing conditions such as diabetes, heart disease and stroke.