This indicates that you will get 100 in the exam. Although parents know there is a big joke in it, they would rather believe it than believe it.
Prepare a fried dough stick and two eggs for your child, even if the child takes a bite, it indicates that everything will go well in today's exam.
The moral of eating pig's feet is that if you get lucky, you can get full marks, and you will get all the answers in the plenary session.
Others will let children eat zongzi before the exam. The moral of zongzi is to get high marks. My children cooked zongzi for him before the exam, just to win a good title and represent their parents' good intentions.