This study was intended to verify the media effect of family resilience in the correlation of the functional level of the mentally disabled and the satisfaction level of main supporting family members life regarding the main family members supporting the mentally disabled, and also identify the effects of relevant factors on life satisfaction level. Looking at the findings, it was found that the living satisfaction levels of the main supporting family members of the mentally disabled are affected by education level, monthly income, sex, inter-personal relationship the sub-domain of the functional level of the mentally disabled, organization type the sub-domain of family resilience, and communication etc. Also, it was proven that family resilience mediates in the correlation of the functional level of the mentally disabled and the living satisfaction level of main supporting family members.