Family planning as a whole is the main Part of reproductive health and the key to the health of mothers, children, families, communities and societies, that One of the success factors in family planning and population control in Iran is male involvement . The main purpose of this study was to investigate the relationship between social - cultural factors with propensity of men to participate in family planning is in Baghmalek city. The research method is survey. The population of this study included all married men in baghmalek city in 2017. Sample was determined based on Coke ran frame of 320 people. The questionnaire is self-made, that with multistage cluster sampling among respondents was divided. In general, the findings show a correlation between the amount of piety, fear of side effects of contraceptives, and patriarchal gender attitudes of men to participate in family planning programs there were significant relationships. Stepwise multiple regression analysis shows that the changing attitudes of patriarchal gender have been most affected by the tendency of men to participate in family planning programs . Overall, the independent variables have been able to explain 43/25 percent of dependent variable .