The Objective of this paper is to clarify current life style and physical condition of the elderly in Beijing，and meanwhile discusses the law in order to put forward some corresponding measures or suggestions.Under the concept of “big health”，the paper aims to provide useful data for reference and supported methods for the improvements of their physical fitness.The research shows：Due to relatively developed economic conditions and the higher level of medical treatment in Beijing，also the elderly's better educational degree and corresponding characteristics showed in transportation，work，physical activity and physical exercise，the old age group could remain good body figure，and their physical functions and physical fitness are in better condition.Suggestions：In the era of rapidly aging，effective methods used to concern about the elderly's scientific exercise include strengthening scientific guidance to the elderly's physical exercise，exploring physical activities and projects for them and inventing personalized exercise prescription for preventing different chronic diseases.