Abstract: The ores from main veins of Jinchanggouliang gold deposit are studied in detail With the method of chemistry,microscope,micro-chemical experiment and electronic probe,the mineral,textures and structures,occurance and fineness of gold are studied and new viewpoints are obtained The gold-carrying minerals are quartz,pyrite,sphalerite,terrapedrite and galena The occurrence states of gold are enclosure gold,fissure gold and intergranular gold,which supply reliable information for the ore dressing and smelting