Abstract: Through a large number of light and thin section identification under the microscope, a large number of mineral particle size and content measurement statistics, the main useful mineral purification, X-ray analysis, chemical multi-element analysis and other comprehensive research means, the detailed mineralogy, mineralogy and deposit geology research are carried out for yingfengya lead-zinc deposit, focusing on the mineral composition and imbued characteristics of the deposit to determine the beneficial and harmful components and their occurrence state in the deposit.