Cultivate correct ideas
Let children know from an early age that food is precious and hard-won, and let them know how to cherish every grain.
Establish principles
Make clear rules at home, such as "eat as much as you can" and "don't throw away leftovers". Parents should resolutely implement them and not condone their children's wasteful behavior.
Set a good example
Whether eating at home or eating out, parents should set an example and show the behavior of saving food. For example, order the right amount of food, pack the leftovers, and take the food as needed when eating buffet.