Background Introduction Having a second child is no longer a new topic in today’s society. But whether a family should have a second child is still a confusing topic. For families who want to have a second child, they need to consider their own circumstances, including finances, energy, time and other factors. So among so many factors, how can we make the right decision? The Impact of Family Economics Economics is a major factor that cannot be ignored. If the family itself is financially stable and has good living conditions, the financial burden of having a second child will be relatively small. but if