Abstract: There are various valuable components in a gold mine.The previous mineral processing technology can only produce one type of gold concentrate and make enterprises low efficiency.Hence，beneficiation tests on this ore were carried out by both separation flow-sheets consisting of lead-gold mixed flotation-lead-gold separation-sulfur separation from tailing mixed flotation and the lead-gold mixed flotation-lead-gold separation.The results showed that the former process can reach lead concentrate with Pb grade of 49.36% and Au content of 260.30 g/t，gold concentrate with Au grade of 34.20 g/t and Pb content of 2.21%，and sulfur concentrate with S of 42.31%; The latter can reach lead concentrate with Pb grade of 51.21% and Au content of 249.29 g/t and gold concentrate with Au grade of 24.26 g/t and Pb content of 1.05%.

Key words: Complex gold ore, Lead-gold mixed flotation, Lead-gold separation, Sulfur flotation.