Based on the relevant information of coal mine and several detection ways of spontaneous combustion, a fuzzy recognition system for predicting of internal-caused fire was set up 文章在广泛收集煤炭自燃发火的影响因素和相关知识的基础上,分析了多种探测方法的特点并进行组合运用,以模糊推理为手段,建立了内因火灾早期的模糊识别系统。