This study analyzed individual happiness exponent according to local residents' perception degree of Health-Cities. The data, which is accumulated by the survey on relationship between happiness and perception degree of Health-Cities targeting 662 of local residents living in Y-gu in Busan, were analyzed using PASW 18.0. The results are as follows. To begin with, the results of Correlation Analysis on the relation between happiness index and cognition degree of Health-Cites indicate that the higher perception of Health-Cities'facilities, administrations, services, education, health environment and transportation the local residents have, the lower individual happiness index they acquired. The cognition degree of transportation has effects on local society and daily life; the cognition degree of facilities and businesses has impact on financial stability. The cognition degree of administrations has influence on psychological relaxation, services have meaningful effects on psychological stability, work and residence, education have statistically meaningful effects on psychological stability, families and marriage, individual human relationships in respect.

To explore the relationship between interpersonal relationships and happiness of elderly for their happy old age, this study analyzes how the factors in sociology of population affect the elderly's interpersonal relationships and happiness. The ultimate purpose of this study is to look for practical alternatives that could improve the quality of life of the elderly. In order to examine the degree of daily interpersonal relationships and happiness of elderly men and women in a community, a non-probability sampling survey has been conducted at welfare centers and senior citizen centers in three districts in B city. The result showed that there is a difference in interpersonal relationships and feelings of happiness depending on the elderly's age, sex, job status, the presence or absence of a disease, leisure life, and whether they live with family or alone. Therefore, this study supports the successful life of Korean elderly by analyzing the factors related to their happiness, which will make a contribution to a healthy life of local communities. It is also designed to provide basic data for the elderly welfare practice plans that contributes to the quality of life of all Koreans by improving the interpersonal relationship and happiness of the elderly men and women.