Abstract: Baihualing molybdenum ore dressing plant under the leadership of Jinduicheng Molybdenum Ore Company is the biggest one among plants of the same kind in China as well as in Asia.Technical improvements in recent years in the ways of equipment renewal and optimization of technological parameters have increased the molybdenum recovery by 2.26%,the concentrate grade from 50.75% to 52.45%(maximum 54%)which means a world level quality.The practice of technical improuement in Baihualing plant can be taken as a good example for similar plants.