Abstract: With the development of the times, intelligent agriculture machine system of agriculture production field comes into being. Such as agricultural information system, crop simulation system, agricultural expert system, vision system of agricultural mechanization, ascend system and plant growth monitoring system. Computer technology is an important means to promote the agricultural technological innovation and increase labor efficiency. There is a gap in computer technology of the application in agriculture between China and developed countries at present, but it is with the development potential and wide prospect of application. Development and application of computer technology will becomes more and more important during the future agriculture.