The article introduces the comprehensive control of production wastewater in Madaokou Coal Mine, which takes water as coal washing water, underground water for cooling and dust prevention, drinking water, boiler water, etc. The mine comprehensively utilizes wastewater, and saves water resources, which not only conforms to the requirements of environmental protection, but also has a certain economic benefit and social significance.%介绍大同煤矿集团马道头煤矿对本矿生产废水进行综合治理，处理出水作为洗煤水、井下冷却防尘用水、生活饮用水、锅炉用水等，将污废水处理后综合利用，节约水资源，不仅符合环保要求，而且具有一定经济效益和社会意义。
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