Abstract: One century has passed away since American doctor Ignatz L.Nascher put forward the term "Geriatrics".Today geriatric medicine or geriatrics has become one of the newest medical subjects through persistent efforts of gerontologist clinics and scientific research works in developed countries.Geriatrician has been recognized and the health service system for the elderly has been established.The geriatric research focuses on elderly patients but not only on diseases.The management and assessment are the two cores in geriatrics study,the purpose of which is not only treating disease but also preventing and protecting patient's body function.The evidence-based medicine has shown that the geriatric care about case management,multidisciplinary team work,health assessment,geriatric rehabilitation,long term care and end of life care can decrease disability and promote longevity,as well as control medical care expense and increase satisfaction of patients and family numbers.

Key words: geriatrics, multidisciplinary, assessment, case managment