Abstract:Nowadays people are paying much more attention to the healthy diet so that the consensus has been reached among people that we should eat more roughage.Being one of the most productive roughage，the development of corn′s edible value is of great significance.However，there still exist great restrictions in the processing and eating of corn flour for its different composition and structure.So，to rank it as staple food，it′s significant to have the corn flour possess the simlar processing quality as wheat flour by modifying it and try to exploit more kinds of staple food made of corn flour.The common methods on modifying of corn flour include physical method，chemical method，biological method and compound method.The common methods on modifying of corn flour were discussed and the prospect of corn flour modification in the future was put forward.