Research on the Optimum of the Hungarian MethodYUAN Qian,LIU Shu-yan (School of Management,Wuhan University of Technology,Wuhan 430070,China)In this paper the author amended the Hungarian method which brought out the answers of assignment problems,deflected the minimum element method into the Hungary Method in order to reduce some unnecessary steps and complicated computing process.Then compared the efficiency of the improved and unimproved solutions by citing examples.At last,it was found that this plan was reasonable,and it was an effective method.assignment problem;hungary method;zero element;coefficient matrix