The main accidents and defend measure in production of coal-mine are discussed( including the coal mine gas, the coal-dust burst, the mine fire, the mine water calamity and the attic accidents).

• 讨论了煤矿生产中的主要事故，包括煤矿瓦斯、煤尘爆炸、矿井火灾、矿井水害、顶板事故及其防治措施；