Abstract: Agricultural machinery socialized service is inevitable trend of development of modern agricultural production.As the main body of socialized service，agricultural machinery cooperatives have demand of operation and management.In order to realize management of managed plots，scheduling management of agricultural machinery，production tracking of operations and management of agricultural materials in agricultural production trusteeship，an agricultural machinery cooperative management system was designed based on plot management.Through functional requirements analysis of cooperative management system，design of overall architecture of information system was completed，business functions of system was realized，and application prospect of system was prospected.Results showed that management of plots，maintenance and orders of cooperatives through information means could more scientifically and intuitively monitor operation quantity and quality of agricultural machinery，effectively supervise manipulator，and provide reliable data support for development decision-making of cooperatives.