This paper examines the relation between 105 the the role of the use of the Internet, online communities, and households with young children.As parentiyoung networks have changed the Internet has been drawing attention as a source for providing childcare information and for networking with other parents.Since the 1990s, the deregulation of childcare services has increased the importance of immediate and abundant childcare information.The online community for households Axxess DSP T-Harness with young children has great importance in metropolitan areas in Japan.