Plant production constitutes the predominant food for human. High contents of heavy metals in plant production will result in potential risk to human health. Maize is a main grain production for human food and animal feed. This study took the maize collected from markets of Ruichang County,Jiangxi Province as the subject to measure its contents of Cd,Cu,Pb,Cr,Zn,Ni,Al,Mn and Co,assess their health risk for local inhabitants. The pollution situations of heavy metals were evaluated based on national food safe...