Due to the rapid improvement of economy, living standard and health care in Japan from “After World War 2”, Japanese longevity has boosted into a 80 years old “super ageing” era. In recent years, falling born ratio has resulted in a sharp reduce tendency of young population, on the contrary, the elderly population percentage accounts for total population has become larger and larger. By the end of 2014, the elder population over 65 years old has accounted for 26.8% of total population, in which 13% elders are over 75 years. According to the elderly population demographic and estimation reported in Japanese Ministry of Health, Labour and Welfare, current ageing situation is becoming serious year after year. Until 2035, elderly population over 65 years old will increase to 33.4% in other words, one elder must be contained in three citizen for imbalanced population structure. It is worth noting that the late over 75 age population proportion also reach for 20%, in which more bedridden, dementia and elder required high nursing care level number are increasing.