Abstract: The rice bran，as a byproduct produced in process of fresh rice，has been continually out of people's views despite its economic contributions.With emerging of rice bran oil in the market，precaution against rice bran rancidity has still been under investigation for sake of its own storage.Development status of rice bran wet extrusion technology was described.Combined with processing characteristics and development trend of rice bran in China，necessity of research and development of new wet rice bran extrusion equipment was expounded.