Abstract: This is an essay in the field of mining engineering. The main minerals of Heishan iron mine are vanadium titanomagnetite and titanomagnetite. Due to the influence of ore properties, the grade of iron concentrate in this type of deposit is generally low and rich in titanium, silicon, magnesium and other elements, which limits the development benefits of this kind of deposit resources. If the grade of iron concentrate can be further improved in the beneficiation process, it will help to improve the mine benefits and reduce the smelting cost of iron concentrate. This paper systematically studies this type of iron ore by means of optical microscope, mineral dissociation analyzer (MLA) and chemical analysis. This type of iron ore was systematically studied by means of optical microscope, mineral dissociation analyzer (MLA) and chemical analysis.