One purpose of food processing is to make full use of the existing food raw material resources, develop new sources of the raw materials and develop all kinds welcomed food. The emergence of extrusion technology  opens up a new way for the application of roughage (such  as grains and starch) in food processing industry. And generally extruded food need being flavored, so it will certainly promote the development of flavoring industry.

At present using rice as materials to produce extruded food is one research area  of the manufacturers. It plays an positive role in reducing cost, enriching components of materials and increasing usage of rice.

According to statistics, An extruded food in the market generally can be sold well for two years in thr market. So research group and manufacturers should  research marketing and development of new materials carefully, enhance research of extruded food theory and technology, develop new equipments and  technology, new materials and formula to improve competitiveness. Development of our xtruded food industry also have such lesson.

To sum up, with the rise of people's living standard , usage of extrusion production technology in our country has very broad prospect. Researching theory and technology, developing new raw material sources,new equipments and extrusion technology is important and difficult points of development of extruded food machine manufacturers.