The purpose of this study is to assess the processes of the production and utilization of educational media for agricultural extension system in Taiwan. After the literature review, researchs chose "Instructional System Design (ISD)" theory and "ASSURE Model" as the framework. The methods used were interview and survey. The information collecteds is from the Council of Agriculture (COA), Taiwan Provincial Department of Agriculture and Forestry (TPDAF), and 13 District Agriculture Improvement Stations (DAIS), and 210 Media Resources Center of the local Farmers Associations. Farmers who watched educational media were interviewed. The major should give COA and TPDAF some idea concerning the materials needed by farmers.