The present study analyzed data from 417 grandchildren in the fifth grade of the elementary school with regard to patterns of contact and the content and the level of grandmothers role performance. Major findings were as follows; 1) The most frequent of association occuring between grandmothers and grandchildren was telephoning, next visiting and writing. The mothers, attitude and geographical proximity were consistently related to the level of the contact between grandmothers and grandchildren. 2) The family type, the attitude of the mothers and the health condition of grandmothers were related to the level of the grandmothers role performance. The role of the grandmothers consists with six dimensions of discipliner, surrogate parenting, interference, historical and sex role adviser, confidant and material provider.