随着改革开放的不断深化,我国正处于一个重要的社会转型时期,不少国家发展史证明,这个时期的社会治安问题比较突出,中国特色社会主义现代化建设也不可能脱离人类社会发展的一般规律。当前,我国社会治安形势严峻,特别是社会面的光天化日之下犯罪,如抢劫、抢夺等案件居高不下,影响恶劣,严重影响了人民群众安全感。近年来,党和政府高度重视社会治安问题,不断加强和改进公安工作。公安部门深入贯彻“预防为主,打防结合”的方针,提出了向科技要警力,“人防、技防、物防”相结合,通过安全技术防范,提高社会治安防范能力。视频监控是安全防范技术的重要组成部分,本文介绍视频监控系统的基本技术概念及治安防范特点。 With the continuous deepening of reform and opening up, our country is in an important period of social transformation. The history of the development of many countries proves that social security issues are more prominent in this period and that it is impossible for the modernization of socialism with Chinese characteristics to break away from the general law of human social development . At present, the social order in our country is grim. In particular, crimes committed in broad daylight in the community, such as robbery and robbery, have a high impact and have a serious impact on the people’s sense of security. In recent years, the party and government have attached great importance to the issue of social order and constantly strengthened and improved their public security work. The public security department has thoroughly implemented the principle of “prevention first, prevention combined with prevention” and put forward that we should combine science and technology with police force, “civil air defense, anti-technology defense and material defense” to prevent public security and improve public security. Video surveillance is an important part of security technology, this article describes the basic technical concepts of video surveillance system and security features.