Prior to the implementation of Labor Retirement Act (hereinafter referred to as New System), the Labor Retirement System is mainly governed by Labor Standard Act (hereinafter referred to as Previous System) . However, since the implementation of Retirement System under Labor Standard Act, it has been under long term controversy. In order to improve the discrepancy of previous system, the Retirement System under Labor Standard Act, Council for Labor Affairs has proposed quite a number of drafts for amendment. After years of endeavor, it was finally reached consensus in improvement and established new labor retirement system, which is based mainly on Personal Account of Pension System and assisted by Income Replacement program. It was passed in Legislative Yuan on June 11, 2004, the Labor Retirement Act (New System) and officially enforced on July 1, 2005. However, it was expected that there will be many problems emerged in the initial stage of implementation. In this paper, we focused on the Labor Retirement New System and explained with other related administrative statutory are used as assistance. Also the basic theory of Administrative Act ¡V Principle of Administration, Administration Organization, Administrative Authorities, Administrative Remedies and Administrative Supervision ¡V the 5 main structure are used as the research methodology to examine the possible problem in new labor retirement system and tried to form possible measures for solutions.