China is the world's second-largest annual production of corn just after America. The sown area and cultivation of corn is widely. China also the world's second-largest consumer of corn. Corn is one of the main food of the people in China's north and southwest mountain and other area. Corn has high nutrition and sanitarian function. However, corn flour lacking of viscoelastic and low processing quality. This makes it restricted in the development of the food processing industry.Therefore, the development of...