Accidents of casualty in the coal business have frequently happened in recent years, which becomes a major factor that prevents us from constructing harmonious society. The direct reason for accidents of coal mines happening frequently is that some people are driven by financial interest, while the reason of deep level lies in the backward style of economic growth and old pattern of production. It is necessary to raise the level of science and technology, establish and perfect targets for safety production of coal mines as well as corresponding control systems under the guidance of the viewpoint of scientific development, so that we can restrain accidents of coal mines and construct harmonious society.