The purpose of this study was to investigate the relationship between Burden of Care and Quality of Life in informal home caregivers of stroke patients in Iran. Also we were trying to explore the factors that affect the burden of care. In this cross-sectional study, we have selected 62 informal home caregivers of the patients admitted to "the stroke outpatient unit of the neurology clinic" of the central hospital in Semnan province, Iran, to take part in the investigation. We interviewed them using the Caregiver Burden Inventory and SF-36 Questionnaire for assessing their quality of life.