Objectives: The developing issue of oldness in industrious and the third world countries requires so much precision. Oldness, as one of the most important periods of life, constitutes part of the human's life and is of great significance particularly in the family life of everybody. The aim of this study focuses on some effective parameters in the quality of adults' situation in their family to improve maintenance and elevation of their situation and to recover and promote their lifestyle in their family.

Methods & Materials: This research is carried out randomly by gathering information and data through interviews and questionnaires in a statistical society which was made of adults over 65 years old in the family among 200 individuals of a statistical society.

Results: After analyzing the data, it was defined that there is a meaningful relationship between all of the independent variables in this research and the dependent variable of the aged's situation in the family and by putting emphasis on 2 variables of development and religionist of the family; it was proved that these variables are very effective. It was seem from the results of regression multi-variables, two - independent-variables & dependent-variables, that 47.2% of the changes in dependent - variables is covered by 2 other variables & the variable of family development is more important.

Conclusion: The result show that different factors & parameters like age, education, health, cooperation, economical status, type of the family & religionism of the family & the aged impress the aged's situation in the family & type of the family is more important. So, by recognizing & studying these factors & parameters & by programming properly, we can prevent & decrease the current & subsequent problems of the old people & improve their situation in the family.