Abstract: Magnesia refractories have excellent characteristics of high refractoriness and high temperature strength，and are widely used in metallurgy，chemical industry and other fields. By analyzing the current situation of the standard system of magnesia refractories industry，this paper finds out the significance of further improving the construction of the standardization system of magnesia refractories，and puts forward some suggestions to promote the high-quality development of the industry with the construction of the standardization system.

Key words: Magnesia refractory, Magnesite, Standardization system