For the gas emission effected by the protection seam mining, the paper analyzed the source of gas emission in Wangxingzhuang coal mine, calculated quantitatively the gas emission quantity and selected a reasonable drainage method to solve gas transfinite problem.%针对保护层开采矿井瓦斯涌出受被保护层影响大的实际,就王行庄煤矿的具体情况,分析瓦斯涌出的来源,定量计算瓦斯涌出量,选择合理抽放方法解决了瓦斯超限问题。
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