Although Thailand cassava agro-industry is the huge industry generating high agricultural income for all involving actors; this industry still faces many troubles. Therefore, it is challenging on analysis of stability in this industry. The problems are from internal and external sources. The main analysis method chosen is internal-external analysis to understand the structure of the industry and to identify the key elements possibly propelling Thai cassava industry to stability. The stability of industry will occur if farmers can be self-sufficient in terms of economic gain. All of actors should join force as cluster in production technology improvement, Research and Development (R&D) of new and higher value products, and new market regionalization.
Keywords: Cassava; Thai; Stability; Agro-Industry; Internal-External Analysis