By using Social Network Analysis (SNA) method, the study tries to build up an industry innovation system through exploring organizations’interaction in local rice industry. The study summaries 4 innovation diffusion factors and 6 innovation demand factors as well as 8 innovation organizations via literature reviews. After collecting data from 17 interviews, networking analysis, including density analysis and centrality analysis of SNA, are applied to the study. The outcomes are illustrated via graphs and statistic outputs. The findings present that time factor is significant to innovation diffusion of the system, while policy incentives are significant influence in innovation demand of the system. Among innovation organizations, Agricultural Research Institute and local Famers' Association are most influent innovation sources of the system.