Background: To determine the relationship between sexual satisfaction and marital satisfaction according to personal characteristics. Materials and Methods: This is Cross sectional study. 200 volunteer healthy 45-65 years old men, who were met in the public centers of well socioeconomic district in North of Tehran, were interviewed. The questioner had two main parts: 1) Personal Characteristics 2) Sexual and marital satisfaction and their changes (0-10 Numerical Scale was used). The descriptive and interferential statistics were used (t test, ANOVA, Scheffe). (2007-2008).Results: There were correlating between sexual satisfaction and marital satisfaction, only significant difference between sexual satisfactions of age group 45-49 (highest satisfaction) with other age groups (p<0.05), and only significant difference between marital satisfaction of age group 45-49 (highest satisfaction) and age 60-65 (p<0.05). We found significant effect of decreasing energy, decrease of sex pleasure… in sexual satisfaction and marital satisfaction (p<0.05). Referring to financial situation since we found highest marital satisfaction and sexual satisfaction in high income, but it was not significant. Conclusion: We found highest marital satisfaction changes according to sexual satisfaction changes in age 60-65, and lowest one in age 45-49. We suggest more marital and sexual counselling for age over 60. Since most of changes were occurred over age 50, we suggest more education; guiding and counseling program for this group.