This paper describes the effect of increasing production,saving energy and reducing consumption due to applying accurate ball-load-addition technology.The result shows that,after applying the technology the production capacity of the mill has been increased by 16.26%,the recovery been increased 0.81%,electricity consumption been decreased by 22.72% and the grinding media consumption been decreased by 33.59%,annual electricity consumption is reduced 4,439,000 kWh,annual ball consumption is reduced 161.5 t,annual revenue-increasing and expenditure-reducing is 42,981,100 dollars,so the economic benefits is remarkable.