Abstract
Effects of grandmother involvement in child-rearing on mental health were evaluated. The survey data of 528 grandmother-mother pairs who had children aged 3 to 5 were employed for analysis. The factors contributed to the mental health of grandmothers were as follows ; "feeling healthy", "beingndent independent in elderly living at home", "living with husbands", "not feeling tired from chid-rearing", "being fond of child care", "having no different views of child-rearing from mothers", and "having not a few experience of socio-cultural child-rearing", and so on. Good relationship with grand children seemed to effect positive on mental health.
