Manganese is widely distributed in nature. Almost all kinds of ores and silicate rocks contain manganese. There are 150 kinds of manganese minerals known, but they are ideal. There are only 5-6 kinds of manganese minerals that can be enriched to form economic value. Among them, pyrolusite and hard manganese ore are more important and economic value. In addition, there are manganite, brown manganese ore, black manganese ore, Rhodochrosite and so on. The content of manganese in these minerals is about 50-70%, which is an important industrial mineral of manganese.