Parents educate their children.
Parents can explain to their children the importance of cherishing food, point out their mistakes in wasting food, and also serve the purpose of educating their children.
Avoid showmanship and exaggeration
Parents' avoidance of doing so also has certain elements of show and exaggeration. After all, children nowadays are more reasonable in most cases.
Parents supervise their children's daily behavior.
The purpose of parents should be to supervise their children's daily behavior at all times during their growth.
Parents should set an example and set an example.
In the process of educating children, parents should lead by example.
It takes patience to educate children.
For children, it takes a process of habit formation not to waste food and learn to cherish food, so parents should have enough patience.