Summary: China has already entered the aging population society at present， with the increase and extension of human life-span of old population， the elderly's health status and life quality cause people's attention more and Research indicates， happy in old age when the elderly's life quality influences the elderly The elderly's life quality is important indexes of weighing result of supporting parents， and the subjective happiness sense is the important index of influencing the elderly's life Study the subjective happiness sense of the elderly， facilitate improving their life quality， reflect the harmonious society's human-oriented essential We mainly regard the elderly in the urban area of Xuzhou as the research object， study their subjective happiness sense state by questionnaire investigation and case interview， understand its subjective happiness sense's overall state and influence The result of study shows: According to overall situation， subjective happiness sense levels of the elderly are relatively high; The elderly that the individual character is comparatively optimistic， its sense level of subjective happiness is relatively high; The elderly of the marriage with better relation， its sense level of subjective happiness is relatively high; The elderly with better economic situation， its sense level of subjective happiness is relatively high; Different factors have different influence on subjective happiness sense of the elderly on function， other factors influence the subjective happiness sense through the individual Keyword: The elderly， happy sense， subjective happiness sense， social work
