JF Zengyoren is designed to protect the fishery management and lives of JF members, foster rich marine resources, contribute to the creation of enriched communities, and improve the social and economic status of cooperative members. It works in collaboration with JF (Japan Fisheries Cooperatives) and federation of JF. The JF Zengyoren consists mainly of prefectural JF federations of fisheries cooperative associations, as well as about 1,600 fisheries cooperative associations engaged in coastal fishing activities throughout the nation.