Abstract: Agricultural and rural informatization has been an important power for agricultural modernization and new rural construction. This study made a composite investigation in rural information infrastructures, information resources, service platform, service modes, and service level in Yunnan province. Under the analysis, the difficulties were found which restricted agricultural and rural informatization. Five works should be done: to strengthen infrastructures construction,to enrich agricultural and rural information, to promote information using power, to complete rural information service system, and to enhance agricultural information service.