It's also advised children are given water instead of fizzy drinks.
Dentists are advising trick or treaters be given stickers or playdough, instead of sweets this Halloween.
The Royal College of Surgeons in England is making the call, to help protect kids' teeth.
They also advise giving children water instead of sugary drinks at Halloween parties.
Caroline Robbins, Chair of the GP committee of the Irish Dental Association, from Carlow Town says the main thing is to not eat all of the sweets in one go: