In the current legal system, establishing aging friendly house based on health-care for the senior people over 65 seems hard to be achieved. For these reasons, this study is intended to explore the improvements in the legal system using the comparative analysis in the domestic legal systems. The related legal system is divided into two sections - healthcare system house and senior house. It is very limited only th exchange the information with medical teams. Thus, we need to investigate th concept and all the matters of health-care on the basis of cases. From these results, we are aware of the necessity of the improvements of the health-care system, and suggest plans for these problems. That is to organize the legal system, and make a new law through revising the current specific identification.