This study aims to identify the differences in the mean scores on the measures of social support and life satisfaction scale according to the variables of (age, education, stage of therapy, and the period affected). The study sample consisted of (200) breast cancer patients. Their ages ranged from (22-60 years old) with an average age of (43.6) and a standard deviation of (1.8). The study findings indicate that there are no significant statistical differences with the variance of (age, qualification and stage of therapy) variables whereas there are significant statistical differences with the variance of the affected period for breast cancer patients on the dimensions of the social support scale. Moreover, the study findings indicate the level of social support according to variables and that there are significant statistical differences in the level of social support according to variables of education and the length of period affected on the dimensions of the social support scale. The study findings indicate that there is a significant statistical relationship between social support and life satisfaction. In addition, the study findings indicate that social support has the capability of predicting life satisfaction within the study sample.