Process mineralogical investigation was made on the quartz vein type gold ore from Lingbao region,Henan Province.According to the mineralogical characteristics of the gold ore,the one-factor flotation experiments of the gold ore were carried out,and a reasonable technological flowsheet was determined.A gold concentrate with gold grade of 32.30 g/t,gold recovery of 92.25%,silver grade of 195 g/t and silver recovery of 71.12% was obtained with this technological flowsheet.