The main purpose of this research is to gain full understanding of how well people are aware and prepared for after retirement. To reach the goal to learn more about the upcoming aging society, professionals from variety of medical fields were employed as subjects to this research. In order to get a detailed result, and to provide an ideal suggestion, the research was conducted with 406 professional workers from 31 different medical institutions as its subjects. Obtained results were summarized as follows. First, in terms of government policies in the field, the idea of long term recuperation insurance gained more support than the belief that the public annuity is a sufficient economic countermeasure. Second, there is a causal relation between the economical preparation for retirement and the reason why people do not prepare for their after retirement. The more one feel short of money, the more one is obtuse towards the necessity of preparing for retirement, the more ignorant one is about preparing for retirement, the higher the chance that there will be no preparation done for his/her after retirement.