Abstract:Gamma aminobutyric acid （GABA）is a natural active component,widely distributed in plants and animals.The physiological functions,preparation methods,technical principles，application in food industry,market demand analysis and the status and role of GABA in the development of industrial chain were introduced.The deep processing of rice bran was made to make the enriched GABA food，and the comprehensive utilization of rice bran resources was realized.As a new resource food,the further research on the active components of GABA has great potential for development and application.