Purpose/Significance] Facing with the growing occurrence of minority emergencies, statistical analysis of the previous cases is necessary, while the relevant case database construction is still vacant presently. [ Method/Process] An index system is set up, then by using internet search engine technology and combining with manual verification, the first national minority emergencies case knowledge da-tabase is constructed, which covers 31 provinces with a total number of 202 cases. The study shows that, most minority emergencies in the past 35 years were witnessed in west region, and mainly related to five minorities ( Tibetan, Uygur, Hui, Mongolian, Miao) with approx-imately every 12 years for a cycle of operation. [ Result/Conclusion] The main reasons are terrorist violence, the main attackers are violent gangs, usually result in serious injuries or deaths;the major disposal mechanism in the emergencies still rely on government, while the par-ticipation degree of companies and NGOs is still very low;the minority emergencies have the flammable characteristics of public opinion, easy to cause secondary disasters of public opinion.%[目的/意义]针对民族因素突发事件高发多发的现实,对已经发生的相关案例进行梳理总结尤为必要,但学术界缺乏对已发生的民族因素突发事件案例的采集整理,相关案例库建设仍然空缺。[方法/过程]构建一套指标体系,运用文献检索和互联网搜索引擎技术,结合人工核查,建成了首个民族因素突发事件案例知识库,覆盖31个省市自治区,共202件案例。[结果/结论]研究发现,35年间中国大陆民族因素突发事件集中于西部地区,主要涉及藏、维、回、蒙、苗等5个少数民族,大约每12年为一个运行周期；其主要成因是暴力恐怖,主要发起者是暴力组织团伙,且通常导致严重伤亡；政府仍是民族因素突发事件的主要处置机构,企业和非政府组织的参与度偏低；民族因素突发事件舆论具有易燃性特点,易于造成舆论次生灾害。
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