Pay special attention in public places. Parents must always pay attention to their children. Once they find that the child wants to "do it", they should stop it immediately and then demonstrate the correct way.
For children, slapping others in the face makes them very happy, but children are not sensible, and adults have to be sensible. Don't let him slap if he thinks it's funny. Be sure to gently stop the baby's behavior, but don't characterize it as "hitting people."
When the baby pats someone's face, you can gently hold his hand and say, you can touch it gently like this. You pushed too hard just now, and others will feel very painful. You have to be gentle Always correct it so gently, and the baby's flapping behavior will gradually disappear.