Dementia is a prevalent health problem and major cause of disability and dependency among older adults (WHO, 2012). Family, as primary support system, should be able to provide care for older adult with dementia. In provision of care, family may deal with problems which perceived as either physical or psychological problems. Family psycho-education is one of specialist nursing interventions provided for family in caring for older adult with dementia (Tang et al, Varcarolis 2014). This study aimed to identify impact of family psycho-education therapy on family burden in caring for older adult with dementia. The study design wasquasi experiment pre and post test with control group. The study population was family who provided care for older adult with dementia. Study sample consisted of 26 families of intervention group and 26 families of control group, whom selected through purposive sampling method. The intervention was conducted in 5 sessions by providing module and logbook to the families. Questionnaire of Zarit Caregiver Burden Interview was employed for data collection and independent t-test was applied to analyze the data with statistical significance of 0,000. The result indicated a significant difference in family caregiving burden between the intervention and control group following the intervention. Family psycho-education therapymay relieve family burden in caring for older adult with dementia. Psychiatric nurse specialist is encouraged to implement family psycho-education therapy which may affect family’s competency in providing care for older adult with dementia.