The titanic iron ore is raw material of producing titanium slag, it is maximally removed the impurities of iron, calcium and magnesium, make the titanium enrichment. By using electric furnace to produce the titanium slag that has a large treatment capacity and secondary product pig iron is easy to recycle. The electric furnace producing titanium that is mixing the titanic iron ore and reducing agent (anthracite or coke) with a certain ratio and charging into furnace for reducing and smelting.