The contamination of Aspergillusflavus and aflatoxin has brought huge economic losses and health hazards on mankinds. Prevention strategies and technologies on Aspergillus flavus and aflatoxin have been explored. It has been comfirmed that many techniques show strong inhibition or removeing ability to Aspergillusflavus or aflatoxin. The physical, chemical and biological techniques on preventing Aspergillusflavus and removeing aflatoxin are reviewed in orde...