ABSTRACT
<b>Introduction</b> : Japanese elderly men tend to refuse social network even if they need to use them. The objective is to explore Japanese elderly men's perceptions of social network including daycare services.<br><b>Methods</b> : Qualitative studies using focused group and semi-structured interviews for elderly men more than seventy-five years old who live in Nagi-cho, Okayama, Japan were conducted.. All interviews were recorded and transcribed. Data analysis was done with modified grounded theory approach.<br><b>Results</b> : Three categories were made as internal factors (role seeking, adapt aging), relationship factor (female attendance, staff communication), and external factor (transportation, economy).<br><b>Conclusion</b> : By conducting intervention focusing on causes of relationships and external factors inclusive of day care services , it may be possible to improve social involvement of elderly men. 10 proposals were made to government.