Children's anger is often dismissed ('don't be angry'), redirected ('go to your room'), or suppressed. Taking it seriously — acknowledging the anger is real, helping them understand it, not punishing it — teaches them their emotions are valid and manageable.
What this looks like
'You're angry. That's a real feeling. What happened?' Then listen. Help them name what triggered it. Discuss what they could do with the feeling. Don't punish anger itself.
Children of dismissive parents often grow into adults who suppress anger until it explodes. Children whose anger is taken seriously develop better emotional regulation.