Grey cluster assessment of the grey system theory is used to predict the outburst of coal and gas in mine so as to have effective prevention and control on this kind of accident.

• 为了对煤与瓦斯突出事故进行有效的预防与控制,笔者应用灰色系统理论中的灰色聚类评估方法,对矿井的煤与瓦斯突出进行了预测。