Examples on how to deal with such situations:

-My child behave best when: I’m attentive, I’m giving her/him positive attention, she had her/his nap.

-My child behave worst when: there is too many distractions, she/he is tried, I’m too busy for too long.

Parents try to be remain calm enough to handle the tantrum, children need calming influence. It’s good to hold them and give them full attention so they can calm down.