Abstract:The valuable minerals in some gold-bearing rocks are natural gold and silver gold with a gold grade of 35g/t. For fully research on process mineralogy characteristics of the ore, through scanning electron microscopy, X-ray energy spectrometer, BPMA analysis method, the composition of ore, mineral composition, mineral phase characteristics, gold occurrence state of gold minerals, particle size of gold minerals dissociation degree and mineralogy factors influencing gold recovery and so on has carried on the research. The results have showed that the gold in the ore mainly exists in the form of natural gold and silver gold, with mustard gold accounting for 72.96% and fine grain gold accounting for 27.04% . The deposit status of gold deposits is mainly continuous gold, accounting for 65.11%, and the secondary gold is single gold, accounting for 31.06%. In addition, a small amount of encased gold and intercrystalline gold account for 3.75% and 0.08% respectively. The results of the study have guiding significance for the preparation of ore separation process.