内部群体性治安事件是建立和发展市场经济过程中，由利益格局调整和各种矛盾引发的，可能影响政治稳定和社会安定的事件，具有客观性、动态性、群体性、危害性等特征。其起因多种多样，可从社会经济、社会管理、思想观念以及境内外敌对势力渗透、插手等多方面加以分析。处置内部群体性治安事件的指导思想是：维护稳定，积极预防，及时发现，有效处置。其基本原则有：依法处置原则，团结教育大多数原则，“三可三不可”原则和“三解决”原则。 Internal mass public security incidents are the characteristics of objectivity, dynamics, mass groups and harmfulness that are caused by the adjustment of interests and various contradictions during the process of establishing and developing market economy, which may affect political stability and social stability. Its causes are manifold and can be analyzed from the perspectives of social economy, social management, ideological concepts and the infiltration and interference of hostile forces inside and outside the country. The guiding ideology for handling internal public security incidents is: maintaining stability, actively preventing, finding and effectively disposing of them in a timely manner. Its basic principles are: the principle of disposition according to law, the principle of unity education, the principle of “three cans and three cans” and the principle of “three solutions”.