The industrial test of oxygen blast furnace home and abroad were reviewed.It indicated that the oxygen blast furnace can achieve full oxygen blast,a large number of pulverized coal injection,reducing fuel consumption and CO_2 emissions.The four key problems of efficient injection, the entire process optimization control,cycle gas heating,top gas CO_2 removal,storage and resource utilization were still need to solve for the development of the oxygen blast furnace.Advices for the development of the oxygen bla...