Abstract: The design ideas, functions development and some important technologies for multi media intelligence system of maize production（MISMAP） is proposed. MISMAP was applied to guiding the maize production of Yushu City, Nongan County in Jilin Province and Suihua City in Honglongjiang Province. MISMAP’s application enhanced the leader’s level of understanding the importance of intelligent information technology applying to agriculture and it becomes a good assistant of leaders in managing maize production. At the same time, MISMAP is well received by the peasants, becoming an authoritative expert which can instruct peasants in maize production and answer the peasants’ questions at all times and everywhere.